Ploopy A Plus Rotated Wrist Rest
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Wrist rest for Ploopy A+ that rotates it 180 degrees, putting the scroll knobs at the top.
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Model information
- Source
- Printables
- Category
- Computers
- License
- Creative Commons — Attribution
The Ploopy A+ is a great trackball, but by default the scroll knobs are at the bottom, requiring you to tuck your thumb under your hand to use them. Or to move your hand entirely. Both are uncomfortable, in my opinion. This base rotates the trackball 180 degrees and tilts it 12 degrees forward so the knobs are at the top of the trackball, easier to reach with your fingers. Orientation does have to be rotated in the QMK firmware by adding the following to your config.h. I don't know how to do this in Via, though.
#define POINTING_DEVICE_ROTATION_180
This also requires a 90-degree thin USB-C cable. I tried modeling the rest using a regular 90-degree cable that would feed out to the side but it's very difficult to make them fit without putting a constant twisting force on the USB port. With a flat USB-C cable, linked below, the cable runs straight down and under the base with no stress on the port.
https://www.amazon.com/dp/B0DQ89GVNM
Sliced in Bambu's slicer, printed on H2D with 0.4mm nozzle at 0.2mm layer height, 15% infill, tree supports, oriented bottom down. Feet are 20mm x 2mm glass top bumpers.