MMU spool holder endstops
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Flush fitting endstops for the MMU spool holders. Replaces the yellow rubbers supplied by Prusa.
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Model information
- Source
- Printables
- Category
- Prusa Parts & Upgrades
- License
- Creative Commons — Attribution — Share Alike
Endstops for the vacuum formed spool holders supplied with the Prusa MMU. The supplied endstops are yellow rubbers that stick out and look weird. The alternate endstop by @loa_ looks great but has zero tolerance and may need sanding or filing to fit.
I've redesigned the endstop with a taper and crush ribs. The insert bottom is 6mm diameter and tapers to roughly 5.6mm. Making it very easy to start and progressively tightens as its inserted. The crush ribs deform and hold the endstop very tightly.
PETG recommended because PLA won't have the elasticity required.
Parametric FreeCAD file is included.