It’s a 4-axis gimbal mount for a camera that they designed in CAD ... and the entire assembly moves along the wire supporting it. After the break you can see some test footage that shows ...

Raspberry Pi 4 (with USB 3.0) and Intel RealSense D415 depth sensing camera. When the Raspberry Pi 4 came out, [Frank Zhao] saw the potential to make a realtime 3D scanner that was completely ...