Interroll roller conveyor frame, 1000 mm long, 424 mm between rails, 75 mm roller pitch

conveyor-frame

Use it

(import "parts/logistics/CONVEYOR-FRAME-1000-424-75.ik" as p)

In a design on ink: ask your agent for it by name, or by what it must be.

Frame of reference

Bottom z=0; length x, width y, centred xy (blank x panels0..total, joint at negative x).