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Low Profile Top Mount Spool Roller MK3 MK4 MK4S
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Remix of @Rokkdaddy spool roller and @Scott7577 PTFE filament guide.
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Model information
- Source
- Printables
- Category
- Prusa Parts & Upgrades
- License
- Creative Commons — Attribution — Share Alike
The rollers require 4x 608 bearings and 4x M3 x ~12mm screws. Print 4x bearing rollers and retainer washers
The filament guide needs 2x M3 nuts and M3 x 10-12mm screws, and one M10x4mm PTFE fitting. I'm using 2.5mm ID tubing and securing it at the top from pulling through with a little gorilla tape and zip tie.
YOU WILL LOSE ABOUT 1" Z WHERE THE CABLE OUT OF THE HOTEND WILL HIT THE BASE OF THE HOLDERS. I switch back to the stock spool holder for taller prints.