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 3D Scanner (Arduino, 3D Printing, PCB Design, Stepper Motors, IR Sensing) - Super Make Something - YouTube
Arduino 3D scanner
Sardauscan 30$ DIY 3D Scanner
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Arduino 3D scanner IR distance sensor - YouTube
3D Scanner Machine using Arduino | Nevon Projects
YScanner 3D Scanner | Makerfabs Electronics
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3D Scanner IR Distance Sensor | 3D CAD Model Library | GrabCAD