I built my own 3D scanner with an arduino, 2 steppers, a VL6180 ToF range finder, and then converted the range finder data into a .OBJ file generator. Magic! : r/arduino
DIY Arduino 3D Scanner - Open Electronics - Open Electronics
Worst DIY 3D Scanner in the World - Part 2 [Arduino, ESP8266, Lidar, WiFI, WebGL] - YouTube