Prusa MK3 Bear 20T 5ID Gates Y idler  tensioner
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Prusa MK3 Bear 20T 5ID Gates Y idler + tensioner

Rework of the original Y idler by gregsaun for the MK3 Bear 20 full upgrade with a belt tensioning and tracking models ...

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Prusa MK3 Bear 20T 5ID Gates Y idler + tensioner alternatives