60 tooth/groove L type timing belt pulley

It fits type L type timing belt - 3/8" pitch x 1/2" wide. I needed this for a project I'm working on. It worked well, so I decided to upload it here.


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This pulley fits a standard type L timing belt- 3/8" pitch x 1/2" wide.  It has ~5/8" bore to fit on a 5/8" threaded rod.  Of course you can easily edit it to fit any width of belt or any desired bore.  The grub screw is a 6-32 screw that is held fast by a nylon lock nut.

I printed at 30% infill, 0.25mm layers, no brim, no raft, no support material required.  I printed several test pieces tweaking the XY size compensation in Slic3r until I got the pitch to match the belt exactly (I used -0.2 mm).

The original files are shared publicly at OnShape. Try this link:


Materials and methods

- About 100g of ABS
- 1x #6-32 screw
- 1x #6-32 nylon lock nut



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Mini gold hands croppedMark Rehorst published this design ago