Spool holder for A1 mini
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Top mount spool holder for A1 mini. Straight feed path, low friction.
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Model information
- Source
- Printables
- Category
- Bambu Lab Parts & Upgrades
- License
- Creative Commons — Attribution
Spool holder for Bambu Lab A1 mini. Mounts on top of the printer, replaces the original cover. Feed path goes straight from spool to extruder so there is no side pull on the filament. Made specifically to feed soft TPU.
Fits spools up to 75mm wide and 205mm diameter.
Original version printed in PLA with PETG supports. There is also a solid version without cutouts if you want an easier print.
Metal parts:
4 * 608 bearings
3 * M3x30mm bolts with 8mm washers
3 * M5x30mm bolts with nuts (DIN 912)
Main assembly guide:
Print BasePlate, Arm and 4 BearingCollars, then:
Insert M5 nut in the bottom hexagonal slot, push it all the way in
Install 2 bearings on top with BearingCollars to center them, tighten slightly with M5 screw
Remove the original printer top cover
Install BasePlate, screw with M3 bolts, don't forget washers for better force distribution
Press fit Arm onto bearings
Tighten M5 screw carefully until the assembly feels solid. Do not overtighten or the nut will rip out of the base plate
Shaft assembly guide:
Slice Shaft as it loads, no rotation needed. Add 2 pauses, both nut slots are closed on top so nuts have to go in during print
Insert M5 nuts during print
Print 2 ShaftGuards
Install bearings with BearingCollars and ShaftGuards with M5 bolts and tighten