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2 layers244 × 113 mmModel d, the printed circuit board in 3D

40% ortho keyboard using a capacitive pcb and Model F switches.

Size
244 × 113 mm
Copper layers
2
Thickness
1.6 mm
Parts
65
Nets
17
Pads
326
Tracks, vias
323, 0
Pours
4
Routed
Yes
KiCad
KiCad 5 (file 20171130)
Created
15 Oct 2021
Updated
2 Sep 2022

Overview

Model d is an open-source printed circuit board by durken1, from the durken1/model_d repository on GitHub. It is a 2-layer board of 244 × 113 mm with 65 parts on 17 nets, routed with 323 tracks and 0 vias.

README

readme.md

Model D

model_d

Note: I got this working using a fork of QMK for XWhatsit by deskthority user pandrew. There is probably room for improvement in the PCB - the current version is basically a working prototype, so use this at your own peril. No guarantees :)

40% ortho keyboard using a capacitive pcb and Model F switches.

The ground plate is important to avoid interference and is to be placed beneath the main pcb.

Case

I have included the STLs (cut to be printable on "normal" sized printers, I used an Ender 3 V2) for my case as well as the step file, so it should be easy to make adjustments to fit your need. I used M3 inserts and screws for attaching stuff (all the 4mm round holes).

The PCBs slide into the plate that is then attached to the main case using the mounting bracket. The plate is designed with 0.8 mm PCBs in mind (1.6 mm total for main + ground pcb).

I think most of the assembly is pretty straight forward, so I won't make a guide unless there is demand for one. Feel free to contact me with any questions though.

For my build I used a TH-xwhatsit and a short USB C panel mount extension cable.

bracket1 bracket2

Parts

65
QtyValueFootprintReferences
48SW_Capmodel_d:capswitch2SW1, SW2, SW10, SW11, SW12, SW13, SW14, SW15, SW16, SW17, SW18, SW19, SW20, SW21, SW22, SW23 +32
1Conn_01x08Connector_PinHeader_2.54mm:PinHeader_1x08_P2.54mm_VerticalROWS
1Conn_01x16Connector_PinHeader_2.54mm:PinHeader_1x16_P2.54mm_VerticalCOLS
1LOGOmodel_d:model_dG***

The 51 most common of 65 parts.

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    40% ortho keyboard using a capacitive pcb and Model F switches.

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Questions

How big is the Model d PCB?

It measures 244 × 113 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Model d use?

65 parts. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the Model d KiCad files?

From the durken1/model_d repository on GitHub, at the commit this page was made from: the board is model_d/model_d.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.

Can I use the Model d design in my own project?

Its repository states no licence, so its author keeps all rights: ask durken1 before reusing the design.