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Bowden PTFE Coupler – ECAS Twist-Lock Magnetic Coupler
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Magnetic twist-lock connection for PTFE/bowden tubes.
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Model information
- Source
- Printables
- Category
- Other Printer Parts & Upgrades
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
Magnetic twist-lock connection for PTFE/bowden tubes.

Parts
- 2 x 6x3mm magnets
- 2 x ECAS Connectors
- 2 x Printed parts (ecas magnetic coupler)
Assembly
- All items are press fit, but might require tuning
- Magnets should be inserted in opposite polarity so that they are universally connectable
My print settings
- ABS
- 0.4mm nozzle
- 0.2mm layer height
- 4 perimeters
- no supports (I used sacrificial layers for counterbore holes)
Additional benefits
The magnets will align the chakras of your filament as it passes through improving its emotional wellbeing.