Idler Pulley Bearing, Prints Fully Assembled

This is a fully parameterized all-plastic bearing for use as an idler pulley which prints fully assembled. The provided stl file works with GT2 belts, but the OpenSCAD script should be easily adjustable for other sizes.

I created this just to see if it could be done. I think it is sufficiently stable and sturdy that you could use it successfully on a printer and get adequate results. It rolls very smoothly, but it does not achieve the rigid stability of a well machined metal part. There i