PTFE tube coupler with retraction buffer
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Joins two TPFE tubes together with buffer space in the middle for retractions
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Model information
- Source
- Printables
- Category
- Prusa Parts & Upgrades
- License
- Creative Commons — Attribution
Join two TPFE tubes together with buffer space in the middle for retractions. Useful to place before the long tube to a filament dryer, for example, so the extruder doesn't have to push the filament all the way back to the spool.
I created this to make it easier to print directly from the Creality Space Pi filament dryer with my Prusa Mini.
Use 2x PC4-M6 fittings
I printed in PETG. Includes mounting holes. I see the filament going back into the tube towards the dryer (there must be some tension in the filament / tube) but I don't see any “backfeeding” into the dryer itself at the dryer end of the tube.
TODO
- Snap fit cover to minimize moisture entry when not printing