[Sasha]

Originally Posted by ArtemusMaximus

And downloaded CAD file and printed new AndyMark 48 tooth sprocket, but somehow it does not line up well with the chain (shown with Actobotics Hub):
https://www.facebook.com/FTC11722/ph...type=3&theater

Why not use the Servocity 48 tooth sprocket: https://www.servocity.com/1-50-alumi...ts-0-250-pitch ?
(requires adapter https://www.servocity.com/hub-adaptor-d, but will certainly be more reliable than 3d printed one.)