conveyor belt 3d model

Clean modern industrial conveyor belt machine, product visualization style, smooth matte light-grey painted steel, overall proportions: 7 meters long, about 0.75 meters tall, about 0.6 meters wide — a long, low, narrow structure, not boxy or tall. Frame built from C-channel (C-section) steel profiles: 4 short vertical C-channel support columns and 2 long horizontal C-channel side rails running the full 7-meter length on top of the columns. The columns are arranged as 2 near the far left end, 2 near the far right end (each pair connected by a short horizontal crossbeam and small triangular corner brackets), with the rails cantilevering out slightly past the two end column pairs. Along the full length, 11 small evenly spaced cylindrical rollers sit on top of the rails, supporting a flat black rubber belt about 0.55 meters wide. At the left end: a large drive drum/pulley at the tip of the rails, with a compact electric motor and gearbox unit mounted on its own small base plate on the gr