# 3D Printed Frame for Adafruit IS31FL3741 LED Glasses

## Overview

https://youtu.be/Jdu1jryOfK4

## Wearable Frame

3D print a pair of frames for your Adafruit LED Glasses. Designed to fit any Feather compatible board! Use a STEMMA QT cable to easily connect to an Adafruit Feather.&nbsp;

![3d_printing_hero-4.jpg](https://cdn-learn.adafruit.com/assets/assets/000/104/796/medium640/3d_printing_hero-4.jpg?1632244137)

## 3D Printed

The parts are secured using hardware screws and nuts. The frames feature built-in nose pads for comfort and a better fit. The arms are attached to the frames built-in hinges using hardware screws and nuts.

![3d_printing_hero-5.jpg](https://cdn-learn.adafruit.com/assets/assets/000/104/794/medium640/3d_printing_hero-5.jpg?1632244070)

## LED Glasses Driver nRF52840

This particular arm is designed for the LED Glasses driver board featuring the nRF52840. Use M2 x 8mm long screws and hex nuts to secure to the 3d printed arm.

![led_matrices_hero-ble-1.jpg](https://cdn-learn.adafruit.com/assets/assets/000/105/183/medium640/led_matrices_hero-ble-1.jpg?1633554567)

## Feather-Compatible

The left-arm features mounting holes sized for any Feather-compatible board like the Feather RP2040. Use a USB-C cable and a 5V battery pack for portability.

![3d_printing_hero-6.jpg](https://cdn-learn.adafruit.com/assets/assets/000/104/795/medium640/3d_printing_hero-6.jpg?1632244119)

## Parts from Adafruit

- [LED Glasses IS31FL3741](https://www.adafruit.com/product/5210)
- [Adafruit Feather RP2040](https://www.adafruit.com/product/4884)
- [STEMMA QT Cable - 50mm](https://www.adafruit.com/product/4399)
- [M2.5 Hardware Kit](https://www.adafruit.com/product/3299)
- [M3 Hardware Kit](https://www.adafruit.com/product/4685)
- [USB-C Cable](https://www.adafruit.com/product/4696)

![](https://cdn-learn.adafruit.com/assets/assets/000/104/797/medium800/3d_printing_hero-7.jpg?1632244417)

### Adafruit LED Glasses Driver - nRF52840 Sensor Board

[Adafruit LED Glasses Driver - nRF52840 Sensor Board](https://www.adafruit.com/product/5217)
This board is designed to be a thin, Bluetooth®-enabled driver board for our [Adafruit LED Glasses](https://www.adafruit.com/product/5210) RGB LED matrix. That said, it's a perfectly good stand-alone development board for the Nordic nRF52840 chipset, with a very slim design,...

In Stock
[Buy Now](https://www.adafruit.com/product/5217)
[Related Guides to the Product](https://learn.adafruit.com/products/5217/guides)
![Angled shot of thin, rectangular Bluetooth LED driver board.](https://cdn-shop.adafruit.com/640x480/5217-07.jpg)

### Adafruit Feather RP2040

[Adafruit Feather RP2040](https://www.adafruit.com/product/4884)
A new chip means a new Feather, and the Raspberry Pi RP2040 is no exception. When we saw this chip we thought "this chip is going to be awesome when we give it the Feather Treatment" and so we did! This Feather features the&nbsp; **RP2040** , and all niceties you know and...

In Stock
[Buy Now](https://www.adafruit.com/product/4884)
[Related Guides to the Product](https://learn.adafruit.com/products/4884/guides)
![Angled shot of black rectangular microcontroller "Feather RP2040"](https://cdn-shop.adafruit.com/640x480/4884-04.jpg)

### STEMMA QT / Qwiic JST SH 4-Pin Cable - 50mm Long

[STEMMA QT / Qwiic JST SH 4-Pin Cable - 50mm Long](https://www.adafruit.com/product/4399)
This 4-wire cable is&nbsp;50mm / 1.9" long and fitted with JST SH female 4-pin connectors on both ends. Compared with the chunkier JST PH these are 1mm pitch instead of 2mm, but still have a nice latching feel, while being easy to insert and remove.

<a...></a...>

In Stock
[Buy Now](https://www.adafruit.com/product/4399)
[Related Guides to the Product](https://learn.adafruit.com/products/4399/guides)
![Angled of of JST SH 4-Pin Cable.](https://cdn-shop.adafruit.com/640x480/4399-00.jpg)

### USB Type C Cable with Data/Charge Switch

[USB Type C Cable with Data/Charge Switch](https://www.adafruit.com/product/4696)
Perhaps your smart phone, tablet, or even your Raspberry Pi 4,&nbsp;charges off of USB, but can you really trust that charging station at the airport? Now you can control when to allow data in or out of your device with this specially-designed USB cable._Voila!_ Your cable's data...

In Stock
[Buy Now](https://www.adafruit.com/product/4696)
[Related Guides to the Product](https://learn.adafruit.com/products/4696/guides)
![Angled shot of coiled USB-C data/charge cable.](https://cdn-shop.adafruit.com/640x480/4696-03.jpg)

### Black Nylon Machine Screw and Stand-off Set – M3 Thread

[Black Nylon Machine Screw and Stand-off Set – M3 Thread](https://www.adafruit.com/product/4685)
Totaling **420 pieces** , this **M3 Screw Set** &nbsp;is a must-have for your workstation.&nbsp;You'll have enough screws, nuts, and hex standoffs to fuel your maker tendencies&nbsp;for days on end! M3 size screws fit a number of&nbsp;Adafruit breakout/dev board...

In Stock
[Buy Now](https://www.adafruit.com/product/4685)
[Related Guides to the Product](https://learn.adafruit.com/products/4685/guides)
![Opened box showing many nylon screws](https://cdn-shop.adafruit.com/640x480/4685-01.jpg)

### Black Nylon Machine Screw and Stand-off Set – M2.5 Thread

[Black Nylon Machine Screw and Stand-off Set – M2.5 Thread](https://www.adafruit.com/product/3299)
Totaling 380 pieces, this **M2.5 Screw Set** &nbsp;is a must-have for your workstation.&nbsp;You'll have enough screws, nuts, and hex standoffs to fuel your maker tendencies&nbsp;for days on end! M2.5 size screws fit almost all of the Adafruit breakout/dev board mounting holes...

In Stock
[Buy Now](https://www.adafruit.com/product/3299)
[Related Guides to the Product](https://learn.adafruit.com/products/3299/guides)
![Black Nylon Screw and Stand-off Set with M2.5 Threads, kit box](https://cdn-shop.adafruit.com/640x480/3299-00.jpg)

![](https://cdn-learn.adafruit.com/assets/assets/000/105/184/medium800/led_matrices_hero-ble-3.jpg?1633554642)

![](https://cdn-learn.adafruit.com/assets/assets/000/104/799/medium800/3d_printing_hero-1.jpg?1632244459)

![](https://cdn-learn.adafruit.com/assets/assets/000/104/798/medium800/3d_printing_hero-3.jpg?1632244434)

![](https://cdn-learn.adafruit.com/assets/assets/000/104/818/medium800/led_matrices_hero-8.jpg?1632257963)

# 3D Printed Frame for Adafruit IS31FL3741 LED Glasses

## 3D Printing

## CAD Parts List

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.

- arm-right.stl
- arm-feather.stl
- arm-nRF52840.stl
- LED glasses frame.stl

![3d_printing_3d-parts.jpg](https://cdn-learn.adafruit.com/assets/assets/000/104/800/medium640/3d_printing_3d-parts.jpg?1632245066)

[Download STLs.zip](https://cdn-learn.adafruit.com/assets/assets/000/105/181/original/STLs.zip?1633554484)
[Download CAD source](https://cdn-learn.adafruit.com/assets/assets/000/105/182/original/CAD.zip?1633554501)
## Acrylic Diffuser Vector File

This vector file can be used as a template to cut a piece of [black LED acrylic](https://www.adafruit.com/product/4594).

[LED_Glasses_Acrylic.svg](https://cdn-learn.adafruit.com/assets/assets/000/143/347/original/LED_Glasses_Acrylic.svg?1774808533)
## Slicing Parts

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

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

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

![3d_printing_cura-slice.jpg](https://cdn-learn.adafruit.com/assets/assets/000/104/787/medium640/3d_printing_cura-slice.jpg?1632234004)

## CAD Assembly

The Feather is secured to the arm with M2.5 x 6mm screws and hex nuts. The two arms are secured to the frame with M2.5 x 14mm long machine screws and hex nuts. The frame is secured to the LED glasses PCB with M3 x 6mm long screws and hex nuts. The Feather connects to the LED glasses using a 50mm STEMMA QT cable.

![3d_printing_cad-explode.gif](https://cdn-learn.adafruit.com/assets/assets/000/104/789/medium640thumb/3d_printing_cad-explode.jpg?1632240220)

## Design Source Files

The project assembly was designed in Fusion 360. This can be downloaded in different formats like STEP, STL and more. Electronic components like Adafruit's board, displays, connectors and more can be downloaded from the&nbsp;[Adafruit CAD parts GitHub Repo](https://github.com/adafruit/Adafruit_CAD_Parts).

![3d_printing_5210-LED-Glasses-IS31FL3741.gif](https://cdn-learn.adafruit.com/assets/assets/000/104/801/medium640thumb/3d_printing_5210-LED-Glasses-IS31FL3741.jpg?1632245118)


## Featured Products

### Adafruit LED Glasses Front Panel - 116 RGB LEDs with I2C Driver

[Adafruit LED Glasses Front Panel - 116 RGB LEDs with I2C Driver](https://www.adafruit.com/product/5210)
Have you always wanted to upgrade your ensemble with a creepy-cool creature PCB silkscreen and an eye-blistering arrangement of LEDs? [We love to put NeoPixels on our face, as evidenced by our many glowy LED glasses...](https://learn.adafruit.com/search?q=neopixel%2520glasses)

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### Adafruit LED Glasses Driver - nRF52840 Sensor Board

[Adafruit LED Glasses Driver - nRF52840 Sensor Board](https://www.adafruit.com/product/5217)
This board is designed to be a thin, Bluetooth®-enabled driver board for our [Adafruit LED Glasses](https://www.adafruit.com/product/5210) RGB LED matrix. That said, it's a perfectly good stand-alone development board for the Nordic nRF52840 chipset, with a very slim design,...

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[Related Guides to the Product](https://learn.adafruit.com/products/5217/guides)
### Adafruit Feather RP2040

[Adafruit Feather RP2040](https://www.adafruit.com/product/4884)
A new chip means a new Feather, and the Raspberry Pi RP2040 is no exception. When we saw this chip we thought "this chip is going to be awesome when we give it the Feather Treatment" and so we did! This Feather features the&nbsp; **RP2040** , and all niceties you know and...

In Stock
[Buy Now](https://www.adafruit.com/product/4884)
[Related Guides to the Product](https://learn.adafruit.com/products/4884/guides)
### STEMMA QT / Qwiic JST SH 4-Pin Cable - 50mm Long

[STEMMA QT / Qwiic JST SH 4-Pin Cable - 50mm Long](https://www.adafruit.com/product/4399)
This 4-wire cable is&nbsp;50mm / 1.9" long and fitted with JST SH female 4-pin connectors on both ends. Compared with the chunkier JST PH these are 1mm pitch instead of 2mm, but still have a nice latching feel, while being easy to insert and remove.

<a...></a...>

In Stock
[Buy Now](https://www.adafruit.com/product/4399)
[Related Guides to the Product](https://learn.adafruit.com/products/4399/guides)
### USB Type C Cable with Data/Charge Switch

[USB Type C Cable with Data/Charge Switch](https://www.adafruit.com/product/4696)
Perhaps your smart phone, tablet, or even your Raspberry Pi 4,&nbsp;charges off of USB, but can you really trust that charging station at the airport? Now you can control when to allow data in or out of your device with this specially-designed USB cable._Voila!_ Your cable's data...

In Stock
[Buy Now](https://www.adafruit.com/product/4696)
[Related Guides to the Product](https://learn.adafruit.com/products/4696/guides)
### Black Nylon Machine Screw and Stand-off Set – M3 Thread

[Black Nylon Machine Screw and Stand-off Set – M3 Thread](https://www.adafruit.com/product/4685)
Totaling **420 pieces** , this **M3 Screw Set** &nbsp;is a must-have for your workstation.&nbsp;You'll have enough screws, nuts, and hex standoffs to fuel your maker tendencies&nbsp;for days on end! M3 size screws fit a number of&nbsp;Adafruit breakout/dev board...

In Stock
[Buy Now](https://www.adafruit.com/product/4685)
[Related Guides to the Product](https://learn.adafruit.com/products/4685/guides)
### Black Nylon Machine Screw and Stand-off Set – M2.5 Thread

[Black Nylon Machine Screw and Stand-off Set – M2.5 Thread](https://www.adafruit.com/product/3299)
Totaling 380 pieces, this **M2.5 Screw Set** &nbsp;is a must-have for your workstation.&nbsp;You'll have enough screws, nuts, and hex standoffs to fuel your maker tendencies&nbsp;for days on end! M2.5 size screws fit almost all of the Adafruit breakout/dev board mounting holes...

In Stock
[Buy Now](https://www.adafruit.com/product/3299)
[Related Guides to the Product](https://learn.adafruit.com/products/3299/guides)

## Related Guides

- [Introducing Adafruit Feather RP2040](https://learn.adafruit.com/adafruit-feather-rp2040-pico.md)
- [Adafruit EyeLights LED Glasses and Driver](https://learn.adafruit.com/adafruit-eyelights-led-glasses-and-driver.md)
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- [Severance Portable Macrodata Refinement Terminal](https://learn.adafruit.com/portable-macrodata-refinement-terminal.md)
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- [Glider Paper Airplane Controller](https://learn.adafruit.com/glider-paper-airplane-controller.md)
- [PyPortal Air Quality Display](https://learn.adafruit.com/pyportal-air-quality-display.md)
- [Pico W HTTP Server with CircuitPython](https://learn.adafruit.com/pico-w-http-server-with-circuitpython.md)
- [Qualia S3 Compass](https://learn.adafruit.com/qualia-s3-compass.md)
- [Motorized POV LED Display](https://learn.adafruit.com/motorized-pov-led-display.md)
- [CircuitPython Powered Sip & Puff with ST LPS33HW Pressure Sensor](https://learn.adafruit.com/st-lps33-and-circuitpython-sip-and-puff.md)
- [Wireless NeoPixel Controller](https://learn.adafruit.com/neotrellis-neopixel-controller.md)
