Parameterized HTD 5 Pulley
thingiverse
I built this pulley based on a top-notch article about crafting timing belt pulleys in Fusion 360: https://capolight.wordpress.com/2018/06/16/full-guide-to-creating-a-htd-timing-pulley-in-cad-fusion-360/. It's fully parameterized, so you can easily adjust the number of teeth in Modify > Change Parameters window by setting toothn. The pulley will automatically resize to match your needs.
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