4-to-1 filament hub with microswitch sensor and ECAS pneumatic fitting
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this is a 4-to-1 filament hub sensor using ECAS pneumatic couplers and a microswitch
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Model information
- Source
- Printables
- Category
- Other Printer Parts & Upgrades
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
This is a 4-to-1 filament hub with an integrated sensor using a microswitch.
I used a microswitch with a pulley because its much more reliable when pushing and pulling out filament, you can use a similarly sized microswitch as well.
bom:
pulley microswitch: https://www.aliexpress.com/item/1005009576690625.html?spm=a2g0o.order_list.order_list_main.5.1ea61802YpQtyG
ECAS penumatic bowden coupler: https://www.aliexpress.com/item/1005005834412661.html?spm=a2g0o.order_list.order_list_main.151.1ea61802YpQtyG
print instructions:
print with support, make sure that the little plate is supported
the door is completely optional, print as oriented in the STL.