When the Raspberry Pi 4 came out, [Frank Zhao] saw the potential to make a realtime 3D scanner that was completely handheld and self-contained. The device has an Intel RealSense D415 depth-sensing ...
something that makes no difference to how it feels in the hand. The official measurements are 120 x 60 x 35mm and 280g which, again, puts it at the lighter end of all 3D scanner alternatives.