A1 Mini Ball Bearing Spool Holder
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Ball Bearing Spool Holder for the A1 mini. Replaces factory spool holder
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- Printables
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- Bambu Lab Parts & Upgrades
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- Creative Commons — Attribution — Noncommercial
Ball Bearing Spool Holder for A1 Mini, bolts on in the factory location. The tension on the spool holder is adjustable by the nylon locking nut. If you want a finer adjustment you can get M8x1.00 fine thread hardware.
I printed the arm with a heavy wall count, Open side (Spool Side) down.
Print the Spool Screw and Spool Nut at 0.16 or less layer height standing up with the 3 sided handle ends down, only support the hole where the bearing goes. Print this way and there will be no thread clean up needed at all. I also printed these with a heavy wall count but im not sure how necessary that is.
You will need -
Printed Parts
(1) A1 Mini Spool Holder arm
(1) Spool Screw
(1) Spool Nut
Store Bought
(1) M8x1.25x120 bolt / screw
(6) M8 Flat Washer
(1) M8x1.25 Nylock Nut or regular nut and lock washer.
(2) 8x22x7 Bearings
(2) M3x12 screws
*If you prefer SAE you can use 5/16 hardware in place of M8. The bolt would be 5 inches long.
UPDATE 10042024 -
I added a slimmer arm that can be printed with the open side facing up.