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:

  • top-cover.stl
  • bottom-cover.stl
  • frame.stl

Slicing Parts

No supports are required. Slice with setting for PLA material. 

Minimum bed volume: 130mm x 130mm

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

CAD Assembly

The 1x4 NeoKey PCB is secured to standoffs with M2.5 screws. The standoffs are secured to the bottom cover with additional M2.5 screws. The QT Py RP2040 snap fits into the built-in holder on the bottom cover. The frame snap fits over the bottom cover. The top cover snap fits over the frame. Keyswitches are fitted over the holes on the top cover and snap fit into the sockets on the 1x4 NeoKey PCB.

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 Adafruit CAD parts GitHub Repo.

This guide was first published on Jul 27, 2021. It was last updated on 2021-07-27 17:02:26 -0400.

This page (3D Printing) was last updated on May 24, 2022.

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