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A Retro-style Computer with a Modern Core

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Mainboard Terminal - A Retro-style Computer with a Modern Core The
Design Electronics Software 3D Printed Parts Copyright and License

README.md

 Mainboard Terminal - A Retro-style Computer with a Modern Core

[mainboard-]

Mainboard Terminal is not just any cyberdeck, it's a full-feature PC
powered by Framework's Mainboard. It has a 5" (1080x1080) round LCD,
a fully 3D printable case, and is compatible with OLKB Preonic
mechanical keyboard.

 The Design

I've always wanted a terminal with a round screen, with the Mainboard
product and its 2D drawing released, I finally had the chance to
build one. And yes, it runs Spacewar! :-)

[mainboard-] [mainboard-]
[mainboard-] [mainboard-]

 Electronics

[mainboard-]

  * Framework Mainboard https://frame.work/products/mainboard
  * OLKB Preonic https://drop.com/buy/preonic-mechanical-keyboard
  * 5" round LCD https://m.tb.cn/h.fr5pE3w

 Software

Everything works out of the box with Ubuntu 22.04 LTS, which is nice.

[mainboard-]

  * Setting for the display

      xrandr --newmode "1080x1080R" 82.50 1080 1128 1160 1240  1080 1083 1093 1111 +hsync -vsync
      xrandr --addmode DP-1 "1080x1080R"
      xrandr --output DP-1 --mode "1080x1080R"

  * Patch CoolRetroTerm to increase screen curvature (optional,
    purely aesthetic reasons)

    Edit app/qml/ApplicationSettings.qml and change the following
    property:

      readonly property real screenCurvatureSize: 2.0

 3D Printed Parts

Everything is (loosely) held together by 5x2mm magnets in my build
(again, for purely aesthetic reasons). You might want to add holes
for screws & other cutouts to utilize those USB4 ports.

[mainboard-] [mainboard-]

  * STL files
  * Editable STEP file

Be sure to check out the 2D drawing released by Framework if you want
to do further customization.

[mainboard-]

Paint color used in the build: Tamiya paint PS-57 (Pearl White) and
TS-30 (Silver Leaf).

 Copyright and License

Copyright (c) 2022 Penk Chen. All rights reserved.

All files are licensed under MIT license, see the LICENSE for more
information.

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A Retro-style Computer with a Modern Core

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