Adjustable belt tensioner for the GT2-2mm belt. Uses belt profile to grip on to belt.
Just slip it in opposite faces and adjust tension by tightening screw.
Uses M3x 30mm allen cap screw or longer and 3mm nut
Belt profile was generated using the straight belt module from https://www.youmagine.com/designs/parametric-timing-belt-generator
Thanks Jeff Hertzberg!
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