Minimalistic spool roller for Prusa MK4 / MK3S
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Minimalistic ball bearing supported spool roller that will clear the extruder in top most position for Prusa MK4 /MK3S.
- Ocena
- 4,5 / 5
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- 14
- Pobrania
- 92
- Wydruki
- 2
- Wyświetlenia
- 753
- Oceny
- 2
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Informacje o modelu
- Źródło
- Printables
- Kategoria
- Prusa Parts & Upgrades
- Licencja
- Creative Commons — Attribution — Noncommercial
This filament roller can be used with both MK4 and MK3S printers and is compatible with standard-sized spools. It will clear the extruder at top most position (with standars sized spool).
For best results, print with a 0.2mm layer height, 4 perimeters, and a 30% adaptive cubic infill to ensure optimal durability.
To assemble one spool holder, print the following parts:
- 1 x ClampPlateR
- 1 x PinPlateR
- 1 x ClampPlateL
- 1 x PinPlateL
- 2 x Nut
The necessary gcode files for MK4 and MK3S are attached.
Additionally, you'll need 4x "608" bearings, sized 8mm x 22mm x 7mm each.
For assembly, either hand-tighten the bolts or use a 19mm socket, avoiding over-tightening. Then, clip two units onto the MK4/MK3S frame, spacing them appropriately for your spool size to facilitate smooth rolling.
I found other spool holders necessitated screws, which seemed excessive. Hence, I developed a screw-free version. For FLEX prints, a ball bearing-supported spool holder is recommended.