Making a replacement pulley

A project log for Easythreed Nano printer optimisation

Squeezing maximum performance out of a cheap 3D printer

RobGRobG 05/12/2020 at 10:030 Comments

Having searched all over the web I can't find that pulley anywhere. I've drawn up roughly what it looks like (exact dimensions TBD, but it's close):

...using this great little FreeCAD macro for generating the pulley teeth. Printing it with a 0.4mm nozzle and 0.3mm of backlash is just a joke. Anyone wanna step in and make me a couple on an SLA? :)