ORD Bot GT2 Idler

A replacement for the smooth idlers that come (or used to come) with ORD Bot kits. It fits the same two bearings and is a drop-in replacement.

Slice with 2 perimeter layers @ 0.30-0.32 mm skin thickness, layer thickness 0.15-0.17. 50% infill worked fine for me. Print two at once if your cooling is not up to the task.

Why replace the original idlers? Well, for one, because they have a flat lip instead of a conical one and cause the belt teeth to rub and clip against the edge. Also, because