About this 3D model

List: 2040 Aluminum profile, threaded M6 on both ends, length customized *1 8MM screw rod, length determined by final size *1 8MM linear shaft, 10MM longer than the aluminum profile *2 Bearing, 608zz *1 Linear bearing, LM8UU *2 Screw, M6*18 *4 Screw, M3*8 flat head *8 42 stepper motor *1 Coupling, 5*8 *1