Refaei
Great work!
Conveyor ready to render in Cycles. There is the engine and 2 parts of the conveyor : a straight one and a round corner. You can change the conyeyor as you want.
Blend file : Boxes + Engine +Straight & corner conveyor mirrored. FBX file : Box +Engine + Straight & corner conveyor only. Textures and HDRI also included