About this 3D model

This is a functional ping pong balls launcher designed to be controlled by an arduino (or any other microcontroller). It uses a servo to dispense the balls and two motors with wheels to give speed and shoot them. Videos: http://www.youtube.com/watch?v=3zeoNTXP-Yo http://www.youtube.com/watch?v=aiz_cN2QWQ8 Intructable: http://www.instructables.com/id/Arduino-controlled-Ping-Pong-Balls-Launcher/