Remixed space mushroom horizontal base backplate with cable routing and mounting for the MCU.
thingiverse
Remix of the existing bottom-plate/cover of the excellent Space Mushroom Controller horizontal base. I've added a cutout big enough for most USB plugs and a mounting for the board which lets the USB port protrude into the housing, it's angled to give more space inside for the MCU connectors while giving space relief to the cable + plug. The Pro Micro is mounted Upside-Down, and a translucent material allows you to see LED's easily. This is for the USB-C Pro Micro, although I believe the more common micro USB socketed board will fit just fine too. I insulated the washer on the board retaining screw (ugly but effective) just in case it rubbed through the lacquer.
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