GT2 Belt tensioner for a Printrbot JR by mlagerwey 3d model
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GT2 Belt tensioner for a Printrbot JR  by mlagerwey

GT2 Belt tensioner for a Printrbot JR by mlagerwey

by Thingiverse
Last crawled date: 3 years ago
Since i didn't really like any of the existing belt tensioner solutions i came up with my own. I wanted something that was not too big and also looked decent and was easy to operate. So i think i have met all three requirements.
For this thing you also need a thumb screw so i took it from another thing; http://www.thingiverse.com/thing:16428 but feel free to use anything you like.
The nut and bolt are M3 (metric) and the bolt is 20 mm long.
BTW: for the belt to clamp inside the little retainer i used a piece of filament cut to the right size.

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