Prusa Y-axis belt tensioner
thingiverse
To optimize Y-axis belt tension, create a Y-belt tensioner using SketchUp based on GregFrost's LM8UU X-Carriage design. This tensioner replaces original clamps without drilling new holes and allows for more accurate tensioning with a M3 bolt and captive nut. The design is in SketchUp, but the hole spacing aligns with existing clamps. To install, clean up parts if necessary, insert captive M3 nut, bolt bottom part with slot facing down and captive nut towards plate middle, attach top piece with teeth facing down to grab belt teeth, and finally screw in 25mm M3 tensioning bolt for optimal tension.
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