# DIY Darksaber Build - 3D Print with PropMaker FeatherWing and BLE

## Overview

## 3D Printed Darksaber
https://youtu.be/IiscmhUvqb4

![](https://cdn-learn.adafruit.com/assets/assets/000/098/637/medium800/3d_printing_hero-garage-long-cropped.jpg?1610727159)

This is a fully 3D printed prop that we designed to a DIY kit that you can build yourself with electronics from Adafruit. It’s built to be durable so you can throw some heavy swings for those intense photo shoots. All of the electronics are hidden inside the hilt and it features motion activated lights and sound.

![3d_printing_hero-garage-stand.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/638/medium640/3d_printing_hero-garage-stand.jpg?1610727222)

## PropMaker Wing

For the electronics, the Prop-Maker FeatherWing is designed for making props with lights and sounds. It’s great for portable projects that need motion sensing, buttons and powering lots of NeoPixel LEDs.

![3d_printing_hero-grugo-propmaker-closeup.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/641/medium640/3d_printing_hero-grugo-propmaker-closeup.jpg?1610727397)

## Bluetooth NeoPixels LEDs

Combined with the Feather nRF52840 Bluefruit you can use the Bluefruit Connect app to change the color of the NeoPixel LEDs. This is great for cosplay props with need to be remotely controlled.

![3d_printing_hero-bluefruit-app.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/642/medium640/3d_printing_hero-bluefruit-app.jpg?1610729703)

## Prerequisite Guides

Take a moment to walk through the following guides.

- [Introducing Feather nRF52840](https://learn.adafruit.com/introducing-the-adafruit-nrf52840-feather)
- [Introducing Feather M4 Express](https://learn.adafruit.com/adafruit-feather-m4-express-atsamd51)
- [Prop-Maker FeatherWing](https://learn.adafruit.com/adafruit-prop-maker-featherwing)
- [Welcome to CircuitPython](https://learn.adafruit.com/welcome-to-circuitpython/installing-circuitpython)
- [Circuit Python Essentials](https://learn.adafruit.com/circuitpython-essentials/circuitpython-essentials)

## Parts
### Adafruit Feather nRF52840 Express

[Adafruit Feather nRF52840 Express](https://www.adafruit.com/product/4062)
The **Adafruit Feather nRF52840 Express** is the new Feather family member with Bluetooth® Low Energy and _native USB support_ featuring the nRF52840!&nbsp; It's our take on an 'all-in-one' Arduino-compatible + Bluetooth® Low Energy with built-in USB...

Out of Stock
[Buy Now](https://www.adafruit.com/product/4062)
[Related Guides to the Product](https://learn.adafruit.com/products/4062/guides)
![Angled shot of a Adafruit Feather nRF52840 Express. ](https://cdn-shop.adafruit.com/640x480/4062-02.jpg)

### Adafruit Prop-Maker FeatherWing

[Adafruit Prop-Maker FeatherWing](https://www.adafruit.com/product/3988)
The Adafruit Feather series gives you lots of options for a small, portable, rechargeable microcontroller board. Perfect for fitting into your next prop build! This FeatherWing will unlock the prop-maker inside all of us, with tons of stuff packed in to make sabers & swords, props, toys,...

In Stock
[Buy Now](https://www.adafruit.com/product/3988)
[Related Guides to the Product](https://learn.adafruit.com/products/3988/guides)
![Angled shot of a Adafruit Prop-Maker FeatherWing. ](https://cdn-shop.adafruit.com/640x480/3988-00.jpg)

### Adafruit Mini Skinny NeoPixel Digital RGB LED Strip - 60 LED/m

[Adafruit Mini Skinny NeoPixel Digital RGB LED Strip - 60 LED/m](https://www.adafruit.com/product/2959)
So thin. So mini. So teeeeeeny-tiny. It's the 'skinny' version of our classic NeoPixel strips!

These NeoPixel strips have 60 digitally-addressable pixel Mini LEDs per meter and are very affordable and are only 7.5 mm wide, 5 mm if you remove the strip from the...

In Stock
[Buy Now](https://www.adafruit.com/product/2959)
[Related Guides to the Product](https://learn.adafruit.com/products/2959/guides)
![Adafruit NeoPixel Digital RGB LED Strip with all the LEDs lighting in a rainbow pattern.](https://cdn-shop.adafruit.com/product-videos/640x480/2959-05.jpg)

### Lithium Ion Cylindrical Battery - 3.7v 2200mAh

[Lithium Ion Cylindrical Battery - 3.7v 2200mAh](https://www.adafruit.com/product/1781)
Need a big battery for your project? This lithium-ion battery contains a 2200mAh and a protection circuit that provides over-voltage, under-voltage, and over-current protection. Yet, it is slim and easy to fit into many project cases.  
  
This cell can provide 2 **C** of...

Out of Stock
[Buy Now](https://www.adafruit.com/product/1781)
[Related Guides to the Product](https://learn.adafruit.com/products/1781/guides)
![Lithium Ion Cylindrical Battery - 3.7v 2200mAh with JST PH connector](https://cdn-shop.adafruit.com/640x480/1781-04.jpg)

### Rugged Metal Pushbutton with Black Finish - 16mm 6V RGB Latching

[Rugged Metal Pushbutton with Black Finish - 16mm 6V RGB Latching](https://www.adafruit.com/product/4660)
By popular demand, we now have **latching rugged metal push buttons** with a full color **RGB LED ring** light! These chrome-plated metal buttons are rugged, but certainly&nbsp;not lacking in flair. Simply drill a 16mm hole into any material up to 1/4" thick and...

In Stock
[Buy Now](https://www.adafruit.com/product/4660)
[Related Guides to the Product](https://learn.adafruit.com/products/4660/guides)
![Angled video of 16mm rugged black metal pushbutton with LED ring glowing rainbow colors. A person with gloved hands holds the button and pushes the switch on and off.](https://cdn-shop.adafruit.com/product-videos/640x480/4660-03.jpg)

### Mini Oval Speaker - 8 Ohm 1 Watt

[Mini Oval Speaker - 8 Ohm 1 Watt](https://www.adafruit.com/product/3923)
Hear the good news! This wee speaker&nbsp;is&nbsp;a&nbsp;great addition to any audio project where you need 8 ohm impedance and 1W or less of power. We particularly like this&nbsp;speaker&nbsp;as it is&nbsp;small and comes with nice skinny wires with a connector on the end. It has a handy...

In Stock
[Buy Now](https://www.adafruit.com/product/3923)
[Related Guides to the Product](https://learn.adafruit.com/products/3923/guides)
![Small, black, oval speaker with Pico Blade connector.](https://cdn-shop.adafruit.com/640x480/3923-06.jpg)

### Part: 3-pin JST Cable
quantity: 1
STEMMA JST PH 3-Pin to Female Socket Cable - 200mm
[3-pin JST Cable](https://www.adafruit.com/product/3894)

### Part: Silicone Ribbon Cable
quantity: 1
Silicone Cover Stranded-Core Ribbon Cable - 10 Wire 1 Meter Long - 28AWG Black
[Silicone Ribbon Cable](https://www.adafruit.com/product/3890)

### Part: 4-pin pico Cable
quantity: 1
.25mm Pitch 4-pin Cable Matching Pair - 40cm long - Molex PicoBlade Compatible
[4-pin pico Cable](https://www.adafruit.com/product/4722)

### Part: 2-Pin picoBlade Cable
quantity: 1
1.25mm Pitch 2-pin Cable Matching Pair - 40cm long - Molex PicoBlade Compatible
[2-Pin picoBlade Cable](https://www.adafruit.com/product/4720)

### Part: Short Feather Headers
quantity: 1
Short Headers Kit for Feather - 12-pin + 16-pin Female Headers
[Short Feather Headers](https://www.adafruit.com/product/2940)

### Part: Heat Shrink Tubing
quantity: 1
Pre-Cut Multi-Colored Heat Shrink Pack Kit - 280 pcs
[Heat Shrink Tubing](https://www.adafruit.com/product/4559)

Tools

### Part: Stick Vise
quantity: 1
PCB stick vise
[Stick Vise](https://www.adafruit.com/product/3197)

### Part: Pana Vise Jr
quantity: 1
Pana Vise Jr
[Pana Vise Jr](https://www.adafruit.com/product/151)

### Part: Helping Third Hands
quantity: 1
Helping Third Hands
[Helping Third Hands](https://www.adafruit.com/product/291)

### Part: Poster Board 22x28in
quantity: 1
Creatogoly Clear Transparent Poster Board 22x28in
[Poster Board 22x28in](https://www.michaels.com/22x28-poster-board-by-creatology/M10525501.html?dwvar_M10525501_color=Yellow)

### Part: Double Sided Tape
quantity: 1
Double Sided Tape by Scotch
[Double Sided Tape](https://amzn.to/3588U6S)

![](https://cdn-learn.adafruit.com/assets/assets/000/098/640/medium800/3d_printing_hero-garage-floor.jpg?1610727305)

## Lightsaber Kit

The [lightsaber kit](https://www.adafruit.com/product/4860) does not come with the [Feather nRF52840 Bluefruit](https://www.adafruit.com/product/4062), but instead the [Feather M4 Express.](https://www.adafruit.com/product/3857)

The code for the Darksaber is written to work with both Feathers. If you'd like to substitute the Feather nRF52840 Bluefruit for the Feather M4 Express, use the [lightsaber code](https://learn.adafruit.com/lightsaber-featherwing/software).

The speaker in the lightsaber kit will not fit the Darksaber hilt ([mini oval speaker](https://www.adafruit.com/product/3923) is used).

The RGB LED button in the Lightsaber kit is a momentary switch. The Darksaber uses a [latching RGB LED button](https://www.adafruit.com/product/4660) instead.

Here's of list of parts from the Lightsaber kit that will work with the Darksaber build.

- PropMaker FeatherWing
- 2200mAh battery
- Headers
- Cables
- Heatshrink

### Adafruit Prop-Maker Starter Kit - Make your own Lightsaber!

[Adafruit Prop-Maker Starter Kit - Make your own Lightsaber!](https://www.adafruit.com/product/4860)
 **_Szoom woom woom!_**

Use the force and Adafruit Feather to build a battle-grade lightsaber! If you can't make the hyperspeed jump to Ilum for your Jedi rite of passage, the&nbsp; **Adafruit Prop-Maker Starter Kit** is perfect for making your very own...

In Stock
[Buy Now](https://www.adafruit.com/product/4860)
[Related Guides to the Product](https://learn.adafruit.com/products/4860/guides)
![Top Down Shot od the Adafruit Prop-Maker Starter Kit - Make your own Lightsaber!](https://cdn-shop.adafruit.com/640x480/4860-02.jpg)

# DIY Darksaber Build - 3D Print with PropMaker FeatherWing and BLE

## Circuit Diagram

![](https://cdn-learn.adafruit.com/assets/assets/000/098/643/medium800/3d_printing_hero-hilt-circuit.jpg?1610729923)

The diagram below provides a visual reference for wiring of the components. This diagram was created using the software package [Fritzing](http://fritzing.org/download/).

## Adafruit Library for Fritzing

Use Adafruit's Fritzing parts library to create circuit diagrams for your projects. Download the library or just grab individual parts. Get the library and parts from [GitHub - Adafruit Fritzing Parts](https://github.com/adafruit/Fritzing-Library/tree/master/parts).

![](https://cdn-learn.adafruit.com/assets/assets/000/098/729/medium800/3d_printing_Untitled.jpg?1611072244)

## Wired Connections

NeoPixels to PropMaker FeatherWing

- DIN from NeoPixel strip to NeoPixel Port on PropMaker
- 5V from NeoPixel strip to NeoPixel Port on PropMaker
- GND from NeoPixel strip to NeoPixel Port on PropMaker

RGB LED Button to PropMaker

- Common LED (pin c) to V+ pin on PropMaker
- Red LED (pin a) to Red pin on PropMaker
- Green LED (pin b) to Green pin on PropMaker
- Blue LED (pin d) to Blue pin on PropMaker
- Common pin to G pin on PropMaker
- NC (normally closed) pin to EN pin on PropMaker

The speaker and battery plug directly into the ports on the PropMaker.

## Powering

In this project, a 3.7V 2200mAh battery is used. The battery can be recharged over the USB port on the Feather.

# DIY Darksaber Build - 3D Print with PropMaker FeatherWing and BLE

## 3D Printing

![](https://cdn-learn.adafruit.com/assets/assets/000/098/295/medium800/3d_printing_3d-parts.jpg?1609534787)

## CAD Files

STL files for 3D printing are oriented to print "as-is" on FDM style machines. Parts are designed to 3D print without any support material. Original design source may be downloaded using the links below.

[CAD-source.zip](https://cdn-learn.adafruit.com/assets/assets/000/098/693/original/CAD-source.zip?1610986808)
[STLs.zip](https://cdn-learn.adafruit.com/assets/assets/000/098/694/original/STLs.zip?1610986818)
## Slicing Parts

No supports are required. Slice with setting for PLA material.&nbsp;

Place the blade parts diagonally across the bed of the printer.

Rotating parts at 45 degrees allows long narrow parts to fit.

![3d_printing_slice-blade-smol.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/692/medium640/3d_printing_slice-blade-smol.jpg?1610985811)

## Slice Settings

The parts were sliced using CURA and FlashPrint using the slice settings below.

- PLA filament 220c extruder
- 0.2 layer height
- 10% gyroid infill
- 60mm/s print speed
- 60c heated bed

## Filament for the Blade

A translucent white colored filament works best for the blade parts. Often called "Natural Clear" this filament features a white pigment but slightly transparent. This diffuses the NeoPixel LEDs quiet nicey.

### Part: Natural Clear PLA 1.75mm
quantity: 1
Purchase Natural Clear Filament from Amazon
[Natural Clear PLA 1.75mm](https://www.amazon.com/gp/product/B00MB3CV6K)

## Hilt Assembly

The coupler is fitted into the hand of the hilt. The guard is fitted into the coupler. The emitter is fitted over the coupler and keeps the guard secured in place. Screws secure the hilt and emitter to the coupler.

![3d_printing_coupler-explode-crop.gif](https://cdn-learn.adafruit.com/assets/assets/000/098/509/medium640thumb/3d_printing_coupler-explode-crop.jpg?1610046461)

## Blade Assembly (2-Part)

Hex nuts are inserted into the cavities in the blade parts. M3 screws secure the two blade parts together. Pockets allow the screws to be fastened together.

&nbsp;

![3d_printing_cad-explode-blade.gif](https://cdn-learn.adafruit.com/assets/assets/000/098/644/medium640thumb/3d_printing_cad-explode-blade.jpg?1610736806)

## Parts for All Printers

These parts are designed to fit printers with small or large build volumes.

- coupler
- button-oring (For TPU filament)
- emitter
- pommel
- speaker-holder
- pcb-holder
- battery-holder
- guard

## Parts for Small Printers

These parts are specifically designed for printers with smaller build volumes (150x150x140). The blade and hilt sections do not feature connection tabs and will need to be glued together with a strong adhesive.

- blade-cover-1
- blade-cover-2
- blade-cover-3
- blade-cover-4
- blade-base-1
- blade-mid-2
- blade-upper-3
- blade-tip-4
- hilt-top
- hilt-bottom

## Parts for Big Printers

These parts are specifically designed for printer with large build volumes (300x300x400)

- hilt
- blade-tip
- blade-base
- blade-cover-tip
- blade-cover-base

## Parts for Giant Printers

The blade and covers can be fully printed in one piece with printers that feature extra large build volumes.

Full size blade: 670mm (26.4in) long.

- blade-full
- blade-cover-full

## Parts for Stand

These parts are specifically for building the stand for the prop.

- stand
- stand-top-holder
- stand-bottom-holder (Fits the Pommel)
- stand-bottom-charger (Fits without Pommel - USB Charging mode)

# DIY Darksaber Build - 3D Print with PropMaker FeatherWing and BLE

## CircuitPython on Feather M4 Express

[CircuitPython](https://github.com/adafruit/circuitpython) is a derivative of [MicroPython](https://micropython.org) designed to simplify experimentation and education on low-cost microcontrollers. It makes it easier than ever to get prototyping by requiring no upfront desktop software downloads. Simply copy and edit files on the **CIRCUITPY** drive to iterate.

The following instructions will show you how to install CircuitPython. If you've already installed CircuitPython but are looking to update it or reinstall it, the same steps work for that as well!

## Set up CircuitPython Quick Start!

Follow this quick step-by-step for super-fast Python power :)

[Download the latest version of CircuitPython for this board via CircuitPython.org](https://circuitpython.org/board/feather_m4_express/)
 **Click the link above and download the latest UF2 file.**

Download and save it to your desktop (or wherever is handy).

![arduino_compatibles_FeatherM0ExpressUF2Downloaded.png](https://cdn-learn.adafruit.com/assets/assets/000/057/318/medium640/arduino_compatibles_FeatherM0ExpressUF2Downloaded.png?1531152402)

Plug your Feather M4 into your computer using a known-good USB cable.

**A lot of people end up using charge-only USB cables and it is very frustrating! So make sure you have a USB cable you know is good for data sync.**

Double-click the **Reset** button next to the USB connector on your board, and you will see the NeoPixel RGB LED turn green. If it turns red, check the USB cable, try another USB port, etc. **Note:** The little red LED next to the USB connector will pulse red. That's ok!

If double-clicking doesn't work the first time, try again. Sometimes it can take a few tries to get the rhythm right!

![arduino_compatibles_FeatherM0Bootloader.jpg](https://cdn-learn.adafruit.com/assets/assets/000/057/320/medium640/arduino_compatibles_FeatherM0Bootloader.jpg?1531152568)

You will see a new disk drive appear called **FEATHERBOOT**.

&nbsp;

&nbsp;

&nbsp;

Drag the **adafruit\_circuitpython\_etc.uf2** file to **FEATHERBOOT.**

![arduino_compatibles_FeatherM0FEATHERBOOT.png](https://cdn-learn.adafruit.com/assets/assets/000/057/321/medium640/arduino_compatibles_FeatherM0FEATHERBOOT.png?1531152779)

![arduino_compatibles_FeatherM0DragCircuitPythonUF2.png](https://cdn-learn.adafruit.com/assets/assets/000/057/324/medium640/arduino_compatibles_FeatherM0DragCircuitPythonUF2.png?1531152877)

The LED will flash. Then, the **FEATHERBOOT** drive will disappear and a new disk drive called **CIRCUITPY** will appear.

That's it, you're done! :)

![arduino_compatibles_FeatherM0CIRCUITPY.png](https://cdn-learn.adafruit.com/assets/assets/000/057/323/medium640/arduino_compatibles_FeatherM0CIRCUITPY.png?1531152841)

## Further Information

For more detailed info on installing CircuitPython, check out [Installing CircuitPython](https://learn.adafruit.com/welcome-to-circuitpython/installing-circuitpython).

# DIY Darksaber Build - 3D Print with PropMaker FeatherWing and BLE

## CircuitPython for Feather nRF52840

[CircuitPython](https://github.com/adafruit/circuitpython) is a derivative of [MicroPython](https://micropython.org) designed to simplify experimentation and education on low-cost microcontrollers. It makes it easier than ever to get prototyping by requiring no upfront desktop software downloads. Simply copy and edit files on the **CIRCUITPY** drive to iterate.

The following instructions will show you how to install CircuitPython. If you've already installed CircuitPython but are looking to update it or reinstall it, the same steps work for that as well!

## Set up CircuitPython Quick Start!

Follow this quick step-by-step for super-fast Python power :)

[Download the latest version of CircuitPython for this board via CircuitPython.org](https://circuitpython.org/board/feather_nrf52840_express/)
 **Click the link above to download the latest UF2 file.**

&nbsp;

Download and save it to your desktop (or wherever is handy).

![circuitpython_nRF52840_UF2.png](https://cdn-learn.adafruit.com/assets/assets/000/070/318/medium640/circuitpython_nRF52840_UF2.png?1548963877)

Plug your Feather nRF52840 into your computer using a known-good USB cable.

**A lot of people end up using charge-only USB cables and it is very frustrating! So make sure you have a USB cable you know is good for data sync.**

Double-click the **Reset** button next to the USB connector on your board, and you will see the NeoPixel RGB LED turn green (identified by the arrow in the image). If it turns red, check the USB cable, try another USB port, etc. **Note:** The little red LED next to the USB connector will pulse red. That's ok!

If double-clicking doesn't work the first time, try again. Sometimes it can take a few tries to get the rhythm right!

![circuitpython_FeathernRF52840_Top_Product_Image.jpg](https://cdn-learn.adafruit.com/assets/assets/000/070/319/medium640/circuitpython_FeathernRF52840_Top_Product_Image.jpg?1548963972)

You will see a new disk drive appear called **FTHR840BOOT**.

&nbsp;

&nbsp;

&nbsp;

Drag the **adafruit\_circuitpython\_etc.uf2** file to **FTHR840BOOT****.**

![circuitpython_FTHR840BOOT.png](https://cdn-learn.adafruit.com/assets/assets/000/070/320/medium640/circuitpython_FTHR840BOOT.png?1548964488)

![circuitpython_Drag_nRF52840_UF2.png](https://cdn-learn.adafruit.com/assets/assets/000/070/321/medium640/circuitpython_Drag_nRF52840_UF2.png?1548964497)

The LED will flash. Then, the&nbsp; **FTHR840BOOT** drive will disappear and a new disk drive called **CIRCUITPY** will appear.

&nbsp;

That's it, you're done! :)

![circuitpython_nRF52840_CIRCUITPY.png](https://cdn-learn.adafruit.com/assets/assets/000/070/322/medium640/circuitpython_nRF52840_CIRCUITPY.png?1548964511)

# DIY Darksaber Build - 3D Print with PropMaker FeatherWing and BLE

## CircuitPython Code Setup

Take your Feather and plug it into your computer via a known good data + power USB cable. Have your Feather Bluefruit handy as you'll be performing most of the same steps for each. Your operating system will show a drive named **CIRCUITPY** when a board is plugged in. If you get a drive named&nbsp; **FTHR840BOOT or FEATHERBOOT** you'll likely need to install CircuitPython.

## Install Libraries
You'll need a few CircuitPython libraries in the&nbsp; **lib&nbsp;** folder on the Feather&nbsp; **CIRCUITPY** &nbsp;drive for the code to work. Head to&nbsp;[https://circuitpython.org/libraries](https://circuitpython.org/libraries)&nbsp;to download the latest library bundle matching the major version of CircuitPython now on your board (6 for CircuitPython 6.x, etc.).

Once you've downloaded the libraries bundle, add these libraries to the&nbsp; **lib** &nbsp;folder on the Feather:

- **adafruit\_bus\_device**
- **adafruit\_led\_animation**
- **adafruit\_lis3dh.mpy**
- **neopixel.mpy**

## BLE Libraries

Install the bluetooth libraries for the **Feather nRF52840**.&nbsp;

- **adafruit\_ble**
- **adafruit\_bluefruit\_connect**

Your **Feather nRF52840**  **CIRCUITPY** &nbsp;drive should look like this after you load the code below.:

![](https://cdn-learn.adafruit.com/assets/assets/000/098/632/medium800/3d_printing_circuitpy-drive.jpg?1610647812)

Your **Feather M4 Express**  **CIRCUITPY** drive should look like this after you load the code below.:

![](https://cdn-learn.adafruit.com/assets/assets/000/098/883/medium800/led_strips_featherm4-circuitpy.jpg?1611597799)

## Download the Feather nRF52840 Code from GitHub

Once your **Feather nRF52840** &nbsp;is all setup with CircuitPython and the necessary libraries, you can click on the&nbsp; **Download:** &nbsp; **Project Zip** link above the code to get the files.

https://github.com/adafruit/Adafruit_Learning_System_Guides/blob/main/CircuitPython_BLE_Darksaber/code.py

## Download Feather M4 Code from GitHub
Once your **Feather M4 Express** is all setup with CircuitPython and the necessary libraries, you can click on the **Download: Project Zip** link above in the code to get the file.

https://github.com/adafruit/Adafruit_Learning_System_Guides/blob/main/CircuitPython_Darksaber/code.py

## Sound Effects

The audio files are hosted on the [BLE code github repo](https://github.com/adafruit/Adafruit_Learning_System_Guides/tree/master/CircuitPython_BLE_Darksaber/sounds). You can make your own audio files or use the royalty-free ones we've provided. Be sure to create a new folder named " **sounds**" on to&nbsp; **CIRCUITPY** &nbsp;drive and drop in the audio files.

Adafruit CircuitPython supports&nbsp; **16-bit, Mono, 22.050kHz .wav** &nbsp;audio format. Additionally, the looping sample&nbsp; **idle.wav** &nbsp;should be a multiple of 512 samples long.

![](https://cdn-learn.adafruit.com/assets/assets/000/098/635/medium800/3d_printing_circuitpy-sounds.jpg?1610721999)

# DIY Darksaber Build - 3D Print with PropMaker FeatherWing and BLE

## Feather Headers

## Feather Headers

Use short 12 pin and 16pin female headers for the Feather. Use regular 12pin and 16pin male headers for the PropMaker FeatherWing.

![3d_printing_feather-headers.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/298/medium640/3d_printing_feather-headers.jpg?1609685139)

## PropMaker FeatherWing

Install the 12pin and 16pin male headers onto the bottom of the PropMaker PCB. Use a breadboard to help keep the headers straight while solder all of the pins.

![3d_printing_propmaker-headers.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/297/medium640/3d_printing_propmaker-headers.jpg?1609685121)

## Installing Headers for Bluefruit

Insert the 12pin and 16pin female headers onto the male headers that were soldered to the PropMaker. Then, place the Feather onto the pins of the female headers. This helps keep the headers on the Feather nice and straight while soldering.

The bottom of the Feather should be facing up when soldering.

![3d_printing_bluefruit-headers.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/299/medium640/3d_printing_bluefruit-headers.jpg?1609685506)

![3d_printing_bluefruit-headers-installed.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/300/medium640/3d_printing_bluefruit-headers-installed.jpg?1609685533)

## Solder Bluefruit Headers

Use a vise to keep the Feather board steady while soldering all of the pins.

![3d_printing_bluefruit-headers-soldered.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/301/medium640/3d_printing_bluefruit-headers-soldered.jpg?1609685642)

## Installed Headers

Double check to ensure all of the solder joints are solid. The Feather and PropMaker FeatherWing can be separated by carefully pulling them apart.

![3d_printing_feather-propmaker-soldered.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/397/medium640/3d_printing_feather-propmaker-soldered.jpg?1609774112)

# DIY Darksaber Build - 3D Print with PropMaker FeatherWing and BLE

## Wiring PropMaker

## PicoBalde Cables for PropMaker

Use the following wires and cables for the PropMaker FeatherWing.

- 4-Wire Silicone Cable - 6cm
- 4-Pin picoBlade Cable - 3cm
- 2-Wire Silicone Cable - 6cm
- 2-Pin picoBalde Cable - 3cm

![3d_printing_propmaker-wires.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/317/medium640/3d_printing_propmaker-wires.jpg?1609688643)

Info: 

## Solder 2-wire PicoBlade Cable

The 2-wire silicone cable is soldered to the 2-pin picoBlade cable. The 2-pin picoBlade cable is shortened to 3cm in length.&nbsp;

Use pieces of heat shrink tubing to insulate the exposed wire.

![3d_printing_2pin-pico-solder.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/318/medium640/3d_printing_2pin-pico-solder.jpg?1609688703)

![3d_printing_2pin-pico-wire.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/321/medium640/3d_printing_2pin-pico-wire.jpg?1609688841)

## Solder 4-Wire PicoBlade Cable

The 4-wire silicone cable is soldered to the 4-pin picoBlade cable. The 4-pin picoBlade cable is shortened to 3cm in length.

Use pieces of heat shrink tubing to insulate the exposed wire.

![3d_printing_4pin-pico-solder.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/319/medium640/3d_printing_4pin-pico-solder.jpg?1609689122)

![3d_printing_4pin-pico-wire.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/320/medium640/3d_printing_4pin-pico-wire.jpg?1609688805)

Info: 

## Cables for PropMaker

Double check each wire to ensure they're properly soldered and any exposed wire is insulated with heat shrink tubing.

![3d_printing_propmaker-cables.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/313/medium640/3d_printing_propmaker-cables.jpg?1609688464)

## Solder 4-Wire Cable to PropMaker

Solder the 4-wire cable to the PropMaker. Use the following list of wires and pins for reference.

- **Black** Wire to **V+**
- **Red** Wire to **Red** Pin
- **White** Wire to **Green** Pin
- **Yellow** Wire to **Blue** Pin

![3d_printing_propmaker-4wire-solder.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/314/medium640/3d_printing_propmaker-4wire-solder.jpg?1609688772)

## Solder 2-Wire Cable to ProMaker

Solder the 2-wire cable to the PropMaker. Use the **EN** and **GN** pins. Polarity does not matter for these connections.

![3d_printing_propmaker-2wire-solder.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/315/medium640/3d_printing_propmaker-2wire-solder.jpg?1609688540)

## Soldered Cables

Double check to ensure all of wires has been properly soldered to the pins on the PropMaker FeatherWing.

![3d_printing_propmaker-cables-wired.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/316/medium640/3d_printing_propmaker-cables-wired.jpg?1609688577)

## Install Feather to PropMaker

The PropMaker FeatherWing can be installed back onto the Feather.

![3d_printing_propmaker-feather-wired.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/398/medium640/3d_printing_propmaker-feather-wired.jpg?1609774235)

# DIY Darksaber Build - 3D Print with PropMaker FeatherWing and BLE

## Wiring Button

## Cables for RGB LED Button

Use the following wires and cables for the RGB LED Button.

- 4-Wire Silicone Cable - 20cm
- 4-Pin picoBlade Cable - 5cm
- 2-Wire Silicone Cable - 20cm
- 2-Pin picoBalde Cable - 5cm

![3d_printing_buttons-wires.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/302/medium640/3d_printing_buttons-wires.jpg?1609686030)

Info: 

## Solder 4-Wire PicoBlade Cable

The 4-wire silicone cable is soldered to the 4-pin picoBlade cable. The 4-pin picoBlade cable is shortened to 5cm in length.&nbsp;

Use pieces of heat shrink tubing to insulate the exposed wire.

![3d_printing_button-4wire-solder.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/303/medium640/3d_printing_button-4wire-solder.jpg?1609687710)

![3d_printing_button-4wire-heat.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/304/medium640/3d_printing_button-4wire-heat.jpg?1609687735)

## Solder 2-Wire PicoBlade Cable

The 2-wire silicone cable is soldered to the 2-pin picoBlade cable. The 2-pin picoBlade cable is shortened to 3cm in length.&nbsp;

Use pieces of heat shrink tubing to insulate the exposed wire.

![3d_printing_button-2wire-solder.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/305/medium640/3d_printing_button-2wire-solder.jpg?1609687766)

![3d_printing_button-2wire-heat.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/306/medium640/3d_printing_button-2wire-heat.jpg?1609687790)

## Button Cables

Double check each wire to ensure they're properly soldered and any exposed wire is insulated with heat shrink tubing.

![3d_printing_button-cables.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/307/medium640/3d_printing_button-cables.jpg?1609688116)

## RGB LED Button Pinouts

Reference the chart for the pin labels. Read the label markings on the RGB LED button to determine which pins to use.

![3d_printing_rgb-led-button-pins.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/452/medium640/3d_printing_rgb-led-button-pins.jpg?1609854559)

## Solder 2-Wire Cable to Button

Tin the terminals on the button before soldering wires. This helps make soldering the wires to the terminals easier.

Solder the 2-wire cable to the following pins

- C (common)
- NC (normally closed)

![3d_printing_button-2pico-solder.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/308/medium640/3d_printing_button-2pico-solder.jpg?1609688119)

## Solder 4-Wire Cable to Button

Attach the 4-wire cable to the following terminals on the button.

- Black Wire – Common LED (pin c)
- Red Wire – Red LED (pin a)
- White Wire – Green LED (pin b)
- Yellow Wire – Blue LED (pin d)

![3d_printing_button-4pico-solder.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/309/medium640/3d_printing_button-4pico-solder.jpg?1609688159)

## Wired Button

Double check the wires are properly soldered to the RGB LED button.

![3d_printing_button-wired.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/392/medium640/3d_printing_button-wired.jpg?1609720091)

## Test RGB LED Button

The RGB LED button can be tested by connecting the 4-wire cable to the 4-wire cable on the PropMaker. Plug in the battery to the Feather to power on the Circuit. The code, libraries and sounds should be uploaded to the Feather board.

![3d_printing_button-test.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/311/medium640/3d_printing_button-test.jpg?1609688242)

# DIY Darksaber Build - 3D Print with PropMaker FeatherWing and BLE

## Wiring Speaker

## Speaker Extension Cable

The stock cable on the mini oval speaker is too short to reach the circuit once inside the hilt. Use a piece of 2-wire silicone cable to make the speaker cable longer.

- 2-Wire Silicone Cable - 8cm long

![3d_printing_spk-wire-ext.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/393/medium640/3d_printing_spk-wire-ext.jpg?1609720132)

## Solder 2-pin Cable

Cut the the speaker cable in half and use wire stripper to remove a bit of insulation from each wire. Tin the strands of wire by adding a bit of solder. Use helping third hands to keep the wires sturdy while soldering. Use pieces of heat shrink tubing to insulate any exposed connections. Repeat this process for the other send of the cable.

![3d_printing_button-2wire-solder.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/394/medium640/3d_printing_button-2wire-solder.jpg?1609720206)

![3d_printing_button-2wire-heat.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/395/medium640/3d_printing_button-2wire-heat.jpg?1609720228)

## Wired Speaker

Double check the wires are properly soldered.

![3d_printing_spk-wired.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/312/medium640/3d_printing_spk-wired.jpg?1609688393)

# DIY Darksaber Build - 3D Print with PropMaker FeatherWing and BLE

## NeoPixel Strip Assembly

## Reel of NeoPixel LEDs

This project uses a two strips of NeoPixels. Remove the strip from the plastic reel. Count and measure each strip. Each strip is cut using scissors. The strips should contain 34 NeoPixel LEDs each.&nbsp;

![3d_printing_neopixel-reel.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/322/medium640/3d_printing_neopixel-reel.jpg?1609689029)

## Measure and Cut Strip

Use the length of the the blade to determine a proper length of LEDs. The LED strips will be fitted inside the center channel. If you're using a higher density NeoPixel strip, you'll need to measure it in order to fit inside the blade.

Remove the silicone sheathing from the strips once they're measured and cut.

![3d_printing_blade-assembled-strips.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/341/medium640/3d_printing_blade-assembled-strips.jpg?1609691741)

## Strip of Insulation

The two NeoPixel strips are placed back-to-back and fitted inside the blade. In order to prevent the two strips from shorting each other out, a strip of insulation is used.

This can be a thin, long strip (or several short strips) of non-conductive material, such as poster board. Another option is to cover up the pads on the strips with kapton tape.

A cutting matt, hobby knife and t-square was used to cut a strip from a 22x28 sheet of clear poster board.

![3d_printing_strip-insulator-cut.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/333/medium640/3d_printing_strip-insulator-cut.jpg?1609689946)

![3d_printing_poster-board.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/334/medium640/3d_printing_poster-board.jpg?1609690029)

## Join Strips

Use double-sided scotch tape to join the strip of insulation to the back of one of the NeoPixel LED strips. This makes joining the two strips together easier as it will keep them together.

Ensure the flow of data is consistent on each strip. Check the strip for an arrow label, make they are pointing in the same direction.

The two strips will share the same DIN, 5V and GND pins.&nbsp;

![3d_printing_strip-tape.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/335/medium640/3d_printing_strip-tape.jpg?1609690248)

![3d_printing_strips-insulator.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/336/medium640/3d_printing_strips-insulator.jpg?1609690268)

## Double-sided Strips

The thin strip of insulation is sandwiched in between the two NeoPixel LED strips. Additional scotch tape was wrapped over the two LED strips to secure them together. Avoid apply tape over the LEDs and capacitors on the NeoPixel strips.

![3d_printing_strip-double-sided.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/337/medium640/3d_printing_strip-double-sided.jpg?1609691218)

## Back-to-Back Double-sided Strips

Apply additional tape along the strip as needed. Carefully handle the NeoPixel strips when apply taping to avoid any damage.

![3d_printing_strip-double-close.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/338/medium640/3d_printing_strip-double-close.jpg?1609691622)

![3d_printing_strip-double-full.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/339/medium640/3d_printing_strip-double-full.jpg?1609691644)

## Assembled NeoPixel Strips

Double check the length of the strip is capable of fitting inside the center of the blade. Ensure the flow of data is the same for both NeoPixel LED strips.

![3d_printing_strip-double-wblade.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/340/medium640/3d_printing_strip-double-wblade.jpg?1609691667)

# DIY Darksaber Build - 3D Print with PropMaker FeatherWing and BLE

## Wiring the NeoPixel Strips

## Wires & Cables for NeoPixel Strip

Use the following wires and cables for the NeoPixel strips.

- 2x 3-Wire Silicone Cable – 25cm long
- 2x 3-Pin JST-PH Cable – 17cm long

![3d_printing_strip-wires.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/342/medium640/3d_printing_strip-wires.jpg?1609691795)

## Solder Cables to Strips

Tin the pads on the first pixel in the NeoPixel strip. Attach the first 3-wire silicone cable to the first pixel in the strip.

Flip the strip over and solder the second cable to the NeoPixel strip.

Leave some space in between the two LED strips to avoid bridging solder.

![3d_printing_strip-solder-A.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/343/medium640/3d_printing_strip-solder-A.jpg?1609691869)

![3d_printing_strip-AB-solder.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/346/medium640/3d_printing_strip-AB-solder.jpg?1609692020)

## Insulate Exposed Pads

Add pieces of heat shrink tubing to the insulate the exposed pads and wire. Slip the pieces over the cables and use heat to shrink the tubing. Repeat this process for the second NeoPixel strip.

![3d_printing_strip-AB-heat.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/347/medium640/3d_printing_strip-AB-heat.jpg?1609692057)

## Solder Wires to 3-Pin JST Cable

Measure, cut and tin the wires on the 3-pin JST cable.

Add pieces of heat shrink to the JST cable before soldering wires.

The wires from the two silicone cables are soldered to the ends of the wires on the 3-pin JST cable.

Use two helping third hands to keep the wires together while soldering.&nbsp;

Solder the two voltage wires from the strips to the red wire on the 3-pin JST cable. Solder the ground wires to the black wire. Then, solder the data wires to the white wire.

![3d_printing_strip-vcc-wire.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/348/medium640/3d_printing_strip-vcc-wire.jpg?1609697474)

![3d_printing_strip-din-wire.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/350/medium640/3d_printing_strip-din-wire.jpg?1609697903)

## Insulate Exposed Wires

Double check the solder joints are solid in each set of wires. Slip the pieces of heat shrink over the exposed connected. Then, apply heat to the tubing to shrink them.&nbsp;

![3d_printing_strip-AB-wires.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/396/medium640/3d_printing_strip-AB-wires.jpg?1609720301)

## Wired NeoPixel Strips

The double-sided back-to-back NeoPixel strip is now ready to test out.

![3d_printing_strip-double-wired.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/351/medium640/3d_printing_strip-double-wired.jpg?1609697652)

## Test NeoPixel Strips

Connect the 3-pin JST cable from the strip to the NeoPixel port on the PropMaker FeatherWing. Apply power to the Feather by connecting the battery.

The code, libraries and sound files should already uploaded to the Feather board.

![3d_printing_strip-test-circuit.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/354/medium640/3d_printing_strip-test-circuit.jpg?1609715384)

# DIY Darksaber Build - 3D Print with PropMaker FeatherWing and BLE

## Blade Assembly

## Hardware for Blade Parts

Use the following hardware to secure the two blade parts together.

- 2x M3 x 10mm pan head screws
- 2x M3 lock nuts with nylon inserts

![3d_printing_blade-hardware.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/327/medium640/3d_printing_blade-hardware.jpg?1609689313)

![3d_printing_blade-parts.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/359/medium640/3d_printing_blade-parts.jpg?1609715803)

## Install Nuts to Blade

The M3 nuts are installed into cavities inside the lower blade part. The nuts have a very tight fit, so they must be installed by forcing them into place.

Insert an M3 x 10mm screw into the screw hole. Fasten the screw while holding the hex nut in place (use needle nose pliers). Fastening the screw will force the hex nut into the cavity.

Repeat process for the second screw hole. Unfasten the screw from the hex nut when it has been installed.

![3d_printing_blade-nuts-install.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/326/medium640/3d_printing_blade-nuts-install.jpg?1609689297)

![3d_printing_blade-nuts-installed.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/328/medium640/3d_printing_blade-nuts-installed.jpg?1609689380)

## Secure Blade Parts

Insert the two M3 x 10mm screws into the screw holes in the second blade part. Join the two blade pieces together. Fasten the screws into the hex nuts until fully tightened.

![3d_printing_blade-screws-install.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/329/medium640/3d_printing_blade-screws-install.jpg?1609689746)

![3d_printing_blade-installed.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/330/medium640/3d_printing_blade-installed.jpg?1609689547)

## Install Nut in Tang

An M3 lock nut is installed in to the screw hole near the tang of the blade. The installation process is similar to joining the two blade parts together. Use flat needle nose pliers to hold the nut in place while fastening an M3 screw. Fasten the screw until the hex nut is fully pressed into the cavity. Remove the screw when complete.

![3d_printing_blade-tang-nut-install.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/360/medium640/3d_printing_blade-tang-nut-install.jpg?1609716011)

![3d_printing_blade-tange-nut-installed.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/361/medium640/3d_printing_blade-tange-nut-installed.jpg?1609716026)

## Install Strip to Blade

Alright, it's time to install the double-sided back-to-back mini skinny strip into the blade.

Carefully fit the NeoPixel strips into the slot in the center of the blade. Press the cabling into the tang.

![3d_printing_blade-strip-installing.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/362/medium640/3d_printing_blade-strip-installing.jpg?1609716239)

![3d_printing_blade-strip-installed.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/363/medium640/3d_printing_blade-strip-installed.jpg?1609716259)

## Installed NeoPixel Strip

Position the strips so it's reaching the very tip of the blade.

The NeoPixel strips are bent slightly just before reaching the tang.

The silicone cables are routed through the hole in the bottom of the tang.

![3d_printing_blade-strip-tip.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/366/medium640/3d_printing_blade-strip-tip.jpg?1609716607)

![3d_printing_blade-strip-base.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/368/medium640/3d_printing_blade-strip-base.jpg?1609716993)

## Test Blade with NeoPixel Strip

With the NeoPixel strips now fitted inside the blade, they can be tested with the PropMaker FeatherWing. Plug in the battery to the Feather to power on the circuit.

![3d_printing_blade-strip-test.gif](https://cdn-learn.adafruit.com/assets/assets/000/098/367/medium640thumb/3d_printing_blade-strip-test.jpg?1609716837)

## Installing Emitter

Insert the 3-pin JST cable from the strip through the top of the emitter part. Pull the cable all the way through the emitter and out the other end.

Reference the photo for installing the cable in the emitter in the correct orientation.

![3d_printing_blade-cable-emitter-install.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/369/medium640/3d_printing_blade-cable-emitter-install.jpg?1609717656)

![3d_printing_blade-cable-emitter-installing.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/370/medium640/3d_printing_blade-cable-emitter-installing.jpg?1609717676)

## Install Blade to Emitter

Begin to fit the tang of the blade into the tip of the emitter. Orient the blade so the shape fits into the opening in the emitter.

![3d_printing_blade-emitter-installing.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/371/medium640/3d_printing_blade-emitter-installing.jpg?1609717694)

## Installed Blade

The blade should slide into the emitter with ease. Ensure the wiring is not being kinked when installing the blade into the emitter.

![3d_printing_blade-emitter-installing.gif](https://cdn-learn.adafruit.com/assets/assets/000/098/372/medium640thumb/3d_printing_blade-emitter-installing.jpg?1609717711)

## Secure Emitter to Blade

Use an M3x16mm long screw to secure the emitter to the blade. The screw should be long enough to reach the lock nut that was installed into the tang of the blade.

Tightly fasten the M3 screw to secure the emitter to the blade.

![3d_printing_blade-emitter-screw.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/373/medium640/3d_printing_blade-emitter-screw.jpg?1609717728)

![3d_printing_blade-emitter-secured.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/374/medium640/3d_printing_blade-emitter-secured.jpg?1609717746)

## Installing Covers to Blade

The 4 cover pieces are attached to both sides of the blade. A piece of dark tape (vinyl with adhesive backing or electrical tape) is used join the covers together. This also prevents any light leaking from the seam.&nbsp;

![3d_printing_blade-covers.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/377/medium640/3d_printing_blade-covers.jpg?1609718840)

![3d_printing_blade-cover-vinyl-piece.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/378/medium640/3d_printing_blade-cover-vinyl-piece.jpg?1609718865)

## Join with vinyl or Tape

Join the set of covers together. Note the chamfer near the edge where the two parts meet. This helps join the two parts together.

Carefully stick the piece of vinyl or electrical tape to the mating cover pieces. Use a hobby knife to trim away any access.

![3d_printing_blade-cover-vinyl-stick.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/379/medium640/3d_printing_blade-cover-vinyl-stick.jpg?1609718892)

![3d_printing_blade-cover-vinyl-trim.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/380/medium640/3d_printing_blade-cover-vinyl-trim.jpg?1609718905)

## Attaching Covers to Blade

Double-sided nitto tape is used to attach the covers to the blade. Optionally use glues or other adhesives.

Using double-sided tape is nice because it allows the covers to be removed in case the LEDs ever need to be serviced.

![3d_printing_blade-cover-tape.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/375/medium640/3d_printing_blade-cover-tape.jpg?1609718803)

![3d_printing_blade-cover-tape-back.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/376/medium640/3d_printing_blade-cover-tape-back.jpg?1609718818)

## Installed Blade Covers

Carefully place the cover onto the blade making sure the parts are lined up nicely. Start to lay the cover down near the tang and work towards the tip.

Apply a good amount of pressure to the covers to make the tape adhere to the surfaces.

![3d_printing_blade-cover-installed.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/381/medium640/3d_printing_blade-cover-installed.jpg?1609719007)

![3d_printing_blade-cover-edge.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/382/medium640/3d_printing_blade-cover-edge.jpg?1609719019)

## Hardware for Coupler

The coupler is used to secure the blade emitter to the hilt. Use the following hardware to install the coupler.&nbsp;

- 2x M3 x 10mm pan head screws
- 2x M3 lock nuts with nylon inserts

![3d_printing_coupler-screws.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/407/medium640/3d_printing_coupler-screws.jpg?1609776226)

## Install Lock Nuts into Coupler

The two lock nuts are installed into cavities inside the coupler. Insert an M3 screw into one of the two holes. Use twisters to help fasten the hex nuts onto the thread of the screw. Fasten the screw until the lock nut is fully seated inside the cavity.

![3d_printing_coupler-nut-install-a.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/408/medium640/3d_printing_coupler-nut-install-a.jpg?1609776245)

![3d_printing_coupler-nut-installed-a.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/409/medium640/3d_printing_coupler-nut-installed-a.jpg?1609776254)

## Continue Lock Nut Installation

Repeat this process for the second lock nut and screw hole.

An M3 x 16mm long screw is used in order to pass through the coupler.

The installation process is similar to the blade assembly.

![3d_printing_coupler-nut-install-b.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/410/medium640/3d_printing_coupler-nut-install-b.jpg?1609776286)

![3d_printing_coupler-nut-installed-b.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/411/medium640/3d_printing_coupler-nut-installed-b.jpg?1609776297)

## Install Guard

The guard is installed onto the coupler. Orient the guard with the coupler and slip the guard over the coupler. Push the guard down so it sits flush with the coupler.

![3d_printing_coupler-guard-install.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/412/medium640/3d_printing_coupler-guard-install.jpg?1609776348)

## Installing Couple Cabling

Begin to insert the 3-pin JST cable from the NeoPixel strips through the coupler. Reference the photo for the correct orientation.

![3d_printing_coupler-strip-cable-install.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/415/medium640/3d_printing_coupler-strip-cable-install.jpg?1609776631)

## Installing Coupler

Pull the 3-pin JST cable all the way through the coupler.

![3d_printing_coupler-strip-cable-thru.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/414/medium640/3d_printing_coupler-strip-cable-thru.jpg?1609776530)

## Install Coupler to Emitter

Insert the coupler into the bottom of the emitter. Ensure the wires are not being kinked when fitting the coupler. Push the coupler into the emitter until it's fully seated.

![3d_printing_coupler-emitter-cable.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/416/medium640/3d_printing_coupler-emitter-cable.jpg?1609776651)

## Secure Coupler to Emitter

Use an M3x10mm long screw to secure the emitter to the coupler.&nbsp;

Fully tighten the screw to secure the emitter to the coupler.

![3d_printing_coupler-emitter-secure.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/417/medium640/3d_printing_coupler-emitter-secure.jpg?1609780990)

## Assembled Blade, Emitter, Guard and Coupler

Double check the blade assembly is complete.

![3d_printing_blade-coupler-emitter-installed.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/418/medium640/3d_printing_blade-coupler-emitter-installed.jpg?1609781095)

## Test Blade Covers with NeoPixels

With blade now assembled, it's ready for another round of testing!

Plug in the cable from the strip into the NeoPixel port on the PropMaker FeatherWing. Then connect a battery to the Feather to power on the circuit.

![3d_printing_blade-covers-test.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/383/medium640/3d_printing_blade-covers-test.jpg?1609719125)

# DIY Darksaber Build - 3D Print with PropMaker FeatherWing and BLE

## Button Assembly

## Button Hardware

Use the hex nuts that came with the RGB LED button. An additional o-ring is 3d printed in flexible filament. The o-ring helps to secure the hex nut onto the threading of the button. Without it, the hex nut cannot be fully seated into the hilt to panel mount the button.

![3d_printing_button-nuts.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/384/medium640/3d_printing_button-nuts.jpg?1609719237)

## Install Cables in Hilt

Start by insert the two cables from the button through the hole for the button in the hilt.

Pull the two cables through the top opening of the hilt.

![3d_printing_button-cable-hilt-install.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/385/medium640/3d_printing_button-cable-hilt-install.jpg?1609719287)

## Install Hex Nut and O-Ring

First, insert the two cables through the o-ring. Then, slip the hex nut over.

Double check the order is correct. First the o-ring, then the hex nut. Got it? Ok!

![3d_printing_button-cable-nuts-install.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/386/medium640/3d_printing_button-cable-nuts-install.jpg?1609719774)

## Thread Cables in Hilt

Begin to insert the two cable back into the hilt.

Ensure the hex nuts are position so they can be fitted onto the button.

Use both hands to maneuver the cables through the hilt while maintaining the o-ring and hex nut.

![3d_printing_button-cable-hilt-reinstall.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/387/medium640/3d_printing_button-cable-hilt-reinstall.jpg?1609720203)

## Secured Button to Hilt

Begin to panel mount the button by pushing it into the hole in the hilt. Insert the o-ring onto the threading. Then, fasten the hex nut onto the button until it has a tight fitting.

Tweezers can be used to help grab hold of the hex nut.

![3d_printing_button-nut-hilt-installing.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/388/medium640/3d_printing_button-nut-hilt-installing.jpg?1609719839)

![3d_printing_button-nut-secure.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/389/medium640/3d_printing_button-nut-secure.jpg?1609719855)

## Secured Button

Press the button a few times to see if it has a tight fit on the hilt.

![3d_printing_button-hilt-secured.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/390/medium640/3d_printing_button-hilt-secured.jpg?1609719882)

## Hilt Check

The two cables should stick out the bottom of the hilt. These are rather lengthy in order to connect to the PropMaker FeatherWing.

![3d_printing_button-hilt-wires.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/391/medium640/3d_printing_button-hilt-wires.jpg?1609719931)

# DIY Darksaber Build - 3D Print with PropMaker FeatherWing and BLE

## Feather Assembly

## Hardware for Feathers

Use the following hardware to secure the Feather to the PCB holder.

- 4x M2.5 x 10mm screws
- 8x M2.5 hex nuts

![3d_printing_feather-mount-hardware.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/399/medium640/3d_printing_feather-mount-hardware.jpg?1609774381)

## Install Screws and Nuts to Feather

Insert the 4x M2.5 x 10mm screws through the Feathers mounting holes. Then, insert and fasten hex nuts onto the thread of the screws.&nbsp;

The nuts serve as very-low profile standoffs. This helps to elevate the Feather when installed to the holder.&nbsp;

![3d_printing_feather-pcb-nuts-install.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/402/medium640/3d_printing_feather-pcb-nuts-install.jpg?1609776051)

## Installing Feather to PCB Holder

The speaker and battery must be connect BEFORE securing the Feather to the PCB holder.

Please note: Once the Feather is mounted to the PCB holder, the speaker and battery connection will not be accessible.

![3d_printing_feather-mount-preinstall.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/401/medium640/3d_printing_feather-mount-preinstall.jpg?1609776002)

## Connect Speaker to PropMaker

Plug in the speaker to the audio port on the PropMaker FeatherWing.

![3d_printing_feather-speaker-connect.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/403/medium640/3d_printing_feather-speaker-connect.jpg?1609776106)

## Connect Button to PropMaker

Grab the 4-pin picoBlade connector from the button and the Feather.Connect the 4-pin picoBalde cables together.

![3d_printing_feather-button-connect.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/404/medium640/3d_printing_feather-button-connect.jpg?1609776126)

## Connect Battery to Feather

Plug in the battery to the battery port on the Feather board.

![3d_printing_feather-battery-connect.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/405/medium640/3d_printing_feather-battery-connect.jpg?1609776151)

## Test Circuit

Let's test the circuit before installing the Feather board to the PCB holder.

Use the button to turn on the circuit.&nbsp;

![3d_printing_button-hilt-test.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/406/medium640/3d_printing_button-hilt-test.jpg?1609776170)

# DIY Darksaber Build - 3D Print with PropMaker FeatherWing and BLE

## Hilt Assembly

## Installing Blade to Hilt

Get ready to install the blade to the hilt.

![3d_printing_blade-hilt-preinstall.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/420/medium640/3d_printing_blade-hilt-preinstall.jpg?1609781595)

## Install Strip Cable to Hilt

Insert the 3-pin JST cable from the strips through the top of the hilt.

![3d_printing_blade-cable-hilt-install.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/421/medium640/3d_printing_blade-cable-hilt-install.jpg?1609781611)

## NeoPixel Cable Pass Thru Hilt

Pull the 3-pin JST cable all the way through the hilt and out the other end. It should have enough length to reach the PropMaker FeatherWing.

![3d_printing_blade-cable-hilt-thru.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/424/medium640/3d_printing_blade-cable-hilt-thru.jpg?1609781657)

## Installing Hilt to Coupler

Pull the 3-pin JST cable so the hilt can begin to first into the coupler.

Fit the coupler into the hilt. Reference the photo for the correct orientation.

Make sure the cable is not being kinked when fitting the hilt into the coupler.

&nbsp;

![3d_printing_blade-hilt-installing.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/422/medium640/3d_printing_blade-hilt-installing.jpg?1609781624)

## Secure Hilt to Coupler

Insert and fasten an M3 x 10mm pan head machine screw. Fasten until fully tightened to secure the hilt.

![3d_printing_secure-hilt-coupler.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/447/medium640/3d_printing_secure-hilt-coupler.jpg?1609783729)

## Connect NeoPixel Strip to PropMaker FeatherWing

Plug in the 3-pin JST cable from the strip to the PropMaker FeatherWing.

![3d_printing_blade-hilt-connect-propmaker.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/423/medium640/3d_printing_blade-hilt-connect-propmaker.jpg?1609781639)

## Install Speaker into Holder

The speaker is press fitted into the speaker holder. Reference the photo for best placement.

The speaker can be removed by popping it out using the hole on the other side.

Optionally peel off the protective backing if you'd like to stick it to the speaker holder. Note: Speaker will be harder to remove once the adhesive is stuck to the surface.

![3d_printing_speaker-mount-installed.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/425/medium640/3d_printing_speaker-mount-installed.jpg?1609781905)

![3d_printing_speaker-mount-install.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/426/medium640/3d_printing_speaker-mount-install.jpg?1609781914)

## Install Battery into Holder

Press the battery through the holder from the ends. Do not attempt to insert the whole battery through the clip (it has a very tight fit and could break). Once the battery is fitted into the holder it can slide into place.

![3d_printing_battery-holder-installed.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/427/medium640/3d_printing_battery-holder-installed.jpg?1609782015)

![3d_printing_battery-holder-install.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/428/medium640/3d_printing_battery-holder-install.jpg?1609782028)

## Install Feather into PCB holder

With the speaker, battery and NeoPixel strips now connected, the Feather is ready to be secured to the PCB holder.

Gather up the 4x M2.5 hex nuts for securing the Feather board to the PCB holder.

Place the Feather board into the PCB holder with the screws going through the mounting holes.

![3d_printing_feather-mount-installing.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/429/medium640/3d_printing_feather-mount-installing.jpg?1609782389)

![3d_printing_hilt-feather-mount-preinstall.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/430/medium640/3d_printing_hilt-feather-mount-preinstall.jpg?1609782406)

## Secure and Snip

Insert and fasten the M2.5 hex nuts onto the threads of the screws.

Tightly fasten the hex nuts onto the screws.

The threads must be trimmed short in order to fit through the hilt. Use flush diagonal cutters to snip the screws short.

![3d_printing_feather-mount-secured.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/431/medium640/3d_printing_feather-mount-secured.jpg?1609782425)

![3d_printing_feather-mount-snip.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/432/medium640/3d_printing_feather-mount-snip.jpg?1609782451)

## Inside the PCB Holder

The battery cable should have plenty of wiggle room. A look through the PCB holder shows there's enough space for additional connections.

![3d_printing_feather-mount-inside.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/433/medium640/3d_printing_feather-mount-inside.jpg?1609782494)

## Install Speaker to Hilt

The speaker is inserted through the bottom of the hilt and pushed up inside. Use a screw driver or similar to push the speaker all the through the hilt.

![3d_printing_hilt-speaker-installing.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/434/medium640/3d_printing_hilt-speaker-installing.jpg?1609783065)

![3d_printing_hilt-speaker-install.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/435/medium640/3d_printing_hilt-speaker-install.jpg?1609783092)

## Install Battery to Hilt

The wiring from the speaker, strips and button are press fitted through the slits in the battery holder. This helps manage the wires and prevent them from kinking when fitted inside the hilt.

Carefully insert the battery holder into the bottom of the hilt.

Push the battery holder all the way into the hilt.

![3d_printing_battery-holder-cables-install.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/439/medium640/3d_printing_battery-holder-cables-install.jpg?1609783218)

![3d_printing_battery-holder-hilt-installing.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/440/medium640/3d_printing_battery-holder-hilt-installing.jpg?1609783229)

## Install PCB Holder to Hilt

Begin to insert the PCB holder into the hilt. Push the PCB holder into the hilt until its flush with the hilt.&nbsp;

The ledge on the end of the PCB holder allow it to be remove from the hilt by pulling it out.

The extra lip allows you to grab hold of the PCB holder.

&nbsp;

![3d_printing_feather-hilt-installing.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/441/medium640/3d_printing_feather-hilt-installing.jpg?1609783253)

![3d_printing_feather-hilt-install.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/442/medium640/3d_printing_feather-hilt-install.jpg?1609783286)

## Access to Feather USB Port

The USB port on the Feather board is accessible through the bottom of the hilt.

Use the USB port to recharge the battery when it gets low.

![3d_printing_feather-usb-access.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/443/medium640/3d_printing_feather-usb-access.jpg?1609783316)

![3d_printing_feather-hilt-fitted.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/444/medium640/3d_printing_feather-hilt-fitted.jpg?1609783327)

## Install Pommel

The pommel is press fitted over the bottom of the hilt.

Pull the pommel out to remove it from the hilt when its time to recharge or reprogram.

![3d_printing_hilt-pommel-installed.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/445/medium640/3d_printing_hilt-pommel-installed.jpg?1609783447)

![3d_printing_hilt-pommel-installing.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/446/medium640/3d_printing_hilt-pommel-installing.jpg?1609783483)

## Assembled Hilt

And there we have it! The darksaber is fully assembled and ready for cosplaying.

Congratulations on your build, this is the way, and May The Force Be With You!

![3d_printing_hilt-assembled.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/448/medium640/3d_printing_hilt-assembled.jpg?1609788992)

# DIY Darksaber Build - 3D Print with PropMaker FeatherWing and BLE

## Usage

## Bluetooth Control

This project uses the Adafruit Bluefruit LE connect app (available free for Android and iOS) to trigger the lights and sounds. It uses the control pad to trigger up to 8 different colors and sound effects. If you haven't downloaded the app yet, use the button below to install it on your mobile device.

![3d_printing_hero-bluefruit-app.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/696/medium640/3d_printing_hero-bluefruit-app.jpg?1610994533)

[Download BLE Connect App iOS](https://itunes.apple.com/us/app/adafruit-bluefruit-le-connect/id830125974?mt=8)
[Download BLE Connect App for Android](https://play.google.com/store/apps/details?id=com.adafruit.bluefruit.le.connect)
## Using Bluefruit LE Connect App

Turn on the Feather by either connecting it via USB to your computer or with the RGB LED button.

Open the Bluefruit LE Connect app and locate the device named&nbsp; **CIRCUITPY&nbsp;** and tap the&nbsp; **connect&nbsp;** button. Locate and tap on&nbsp; **Controller**. Under module, tab on&nbsp; **Color Picker**.&nbsp;

## Color Picker

You can change the color of the NeoPixel LEDs by using the Color Picker. Tap connect, select Controller. Under module, tap on&nbsp; **Color Picker**. Use the color wheel to select a color and the slider to adjust the brightness. Tap the&nbsp; **send color** &nbsp;button to trigger the color.

![3d_printing_hero-colorpicker.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/698/medium640/3d_printing_hero-colorpicker.jpg?1610994994)

## Apple Watch

If you have an Apple Watch, you can use the Bluefruit LE Connect App just like the mobile app. The Apple Watch app is included with the iOS app download.

![3d_printing_hero-ios-watch-colorpicker.jpg](https://cdn-learn.adafruit.com/assets/assets/000/098/697/medium640/3d_printing_hero-ios-watch-colorpicker.jpg?1610994885)


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## Related Guides

- [Introducing the Adafruit nRF52840 Feather](https://learn.adafruit.com/introducing-the-adafruit-nrf52840-feather.md)
- [Adafruit Prop-Maker FeatherWing](https://learn.adafruit.com/adafruit-prop-maker-featherwing.md)
- [BLE Synth with the Feather nRF52840 and Circuit Playground Bluefruit](https://learn.adafruit.com/ble-synth-with-the-feather-nrf52840-and-circuit-playground-bluefruit.md)
- [CircuitPython BLE Crickit Rover](https://learn.adafruit.com/circuitpython-ble-crickit-rover.md)
- [Getting Started with CircuitPython and Bluetooth Low Energy](https://learn.adafruit.com/circuitpython-nrf52840.md)
- [New Years Eve Ball Drop](https://learn.adafruit.com/new-years-eve-ball-drop.md)
- [Bluetooth-Controlled Matrix LED Sign using Bluefruit Connect](https://learn.adafruit.com/bluetooth-controlled-matrix-led-sign-using-bluefruit-connect.md)
- [NeoPixel Badge Lanyard with Bluetooth LE](https://learn.adafruit.com/bluetooth-neopixel-badge-lanyard.md)
- [CircuitPython BLE Advertising Beacons](https://learn.adafruit.com/circuitpython-ble-advertising-beacons.md)
- [All the Internet of Things - Episode Four: Adafruit IO](https://learn.adafruit.com/all-the-internet-of-things-episode-four-adafruit-io.md)
- [BLE Sniffer with nRF52840](https://learn.adafruit.com/ble-sniffer-with-nrf52840.md)
- [Introduction to Bluetooth Low Energy](https://learn.adafruit.com/introduction-to-bluetooth-low-energy.md)
- [A CircuitPython BLE Remote Control On/Off Switch](https://learn.adafruit.com/circuitpython-ble-remote-control-on-off.md)
- [Glowing Neopixel Resin River Table](https://learn.adafruit.com/glowing-neopixel-resin-river-table.md)
- [Mouse and Keyboard Control Using TinyUSB and BLE](https://learn.adafruit.com/mouse-and-keyboard-control-using-tinyusb-and-ble.md)
- [MicroPython Smart Holiday Lights](https://learn.adafruit.com/micropython-smart-holiday-lights.md)
