PTFE holder used for the injection molded Spool holder - R4 with the hole relocated and rotated for a spool that is less wide.
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This model avoids an additional bend in the PTFE tube when a spool is placed higher than the filament buffer.
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Informacje o modelu
- Źródło
- Printables
- Kategoria
- Prusa Parts & Upgrades
- Licencja
- GNU General Public License v2.0
This model avoids an additional bend in the PTFE tube when a spool is placed higher than the filament buffer. It is a remix of the MMU3 printable parts \ Spool holder \ PTFE holder -> injection molded R4 version.
Some spools are less wide causing the PTFE holder to not fit between the two spool holders. This model addresses this: it can be placed next to the spool holders with the position of the hole still in the middle of the spool.
Both models for left and right handed sides are provided for convenience.
Remarks
The new location of the hole increases the length and width of the part. This causes an increase in flexibility which is good when:
- filament is pulled into the tube and friction causes strain on the PTFE holder,
- the PTFE holder is pulled down a bit because the PTFE tube is just too short.
For these cases the model is best printed in PETG because it is more flexible than PLA.
Also, a rotating spool can no longer scrape against the wall when misplaced.
Print instructions
Print settings: 0.20mm STRUCTURAL
Filament: PETG
Infill: 25% Grid
No supports needed when printed on the long side