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Filament Sharpener for MMU-formed Filament Tips — image 1
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Filament Sharpener for MMU-formed Filament Tips

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Optimized hole for filament tips formed by MMU

Rating
5 / 5
Likes
10
Downloads
31
Makes
2
Views
189
Reviews
1

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Model information

Category
Accessories
License
Creative Commons — Attribution — Share Alike

I love this idea and use it religiously to load my MMU with the MMU loading fork. idig3D's design has a filament insertion hole that is too big and there is too much play making it hard to get a nicely formed tip. I've been using Tee-EmNZ's remix with success. However, their remix has extremely tight tolerance. The MMU shapes the tip before ejecting the filament. This process causes the tip to be slightly larger than the hole in the sharpener. I find that I have to cut off the tip before using Tee-EmNZ's sharpener. I made the hole in my model slightly bigger just enough to accommodate MMU-formed tips without having to cut the filament. This eliminates an extra step in my workflow.

Tip:

For best results, insert the filament as far as it'll go. Pinch the filament with fingers resting up against sharpener. Then start sharpening. The sharpener will want to push against your fingers as it cuts into the filament. After 1-2 revolutions, the sharpener will naturally fall off because there is no more filament, leaving a perfect pointed tip.