LED Matrix Stand and Raspberry Pi Mount

This is a stand for the Adafruit LED panels.
The one I bought is this one:
https://www.adafruit.com/product/2276
...and I used a Pi with this HAT:
https://www.adafruit.com/product/2345

There are a ton of HUB75-compatible displays out there and I'm not sure if the dimensions are all the same. But this build works with the above components.

Model consists of two parts: An arm that you use to prop up the display at a 20-degree angle, and a simple mount for your Raspberry Pi.

The arm is easy. Orient it the way it makes sense to avoid supports. The LED panel comes with M3 threaded inserts and that's what the holes are designed to mate with. You print the arm twice (once for each side). All you need are four screws and you're done.

The Raspberry pi mount is a little more involved. The LED panel came with a really short HUB75 connector so you really can't mount the Pi towards the center where there are already inserts. What I ended up doing is adding an M3 heatset insert to