Bambu AMS External Spool Y Splitter using A1 Filament Hub 3D printable model by jayburd
Bambu AMS External Spool Y Splitter using A1 Filament Hub photo 1 Bambu AMS External Spool Y Splitter using A1 Filament Hub photo 2 Bambu AMS External Spool Y Splitter using A1 Filament Hub photo 3 Bambu AMS External Spool Y Splitter using A1 Filament Hub photo 4

Bambu AMS External Spool Y Splitter using A1 Filament Hub

Source: MakerWorld by jayburd

The Bambu AMS External Spool Y Splitter using A1 Filament Hub is a free printable 3D model from MakerWorld by jayburd. I have tried various splitter designs and none worked as reliably as I would have liked. You can download the STL file from the original listing below and print it at home.

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1,423 saves Source: MakerWorld Updated 2026-09-27 Print time: 28m Filament: 5 g License: CC-BY-NC-SA · non-commercial ★ 4.9 (78) 545 makes Category: 3D Printer

Tags: y-splitter, ams, y, splitter, a1

About this model

I have tried various splitter designs and none worked as reliably as I would have liked. This design utilizes the A1 AMS Lite Filament Hub ($6) sold on Bambu store as the splitter for AMS and external spool. As such, you end up with 4 usable inputs. The model is the splitter holder. It can be attached to the printer body using M3x6mm or M3x8mm screw. The A1 filament hub should sit snugly in the holder but with some play. The single tube side of the hub plugs into the PTFE connector as if it is a PTFE tube, it is a little tight so push it in as far as you can.  In my testing, this has performed flawlessly. It would not be surprising as this design uses the OEM part that's designed specifically for the same purpose of multiplexing multiple filament input into one. Update: New angled holder a…

Frequently asked questions

Is this 3D model free to download?
Yes. Bambu AMS External Spool Y Splitter using A1 Filament Hub is free to download from MakerWorld. Open it in the free Thinger app, or use the "Download from MakerWorld" link above to open the original listing.
Where is the STL hosted?
The download is hosted by MakerWorld, not by Thinger. We link you directly to the original listing by jayburd.
Who made this model?
Designed by jayburd, published on MakerWorld. Please credit the creator when sharing your print online.
Can I print this at home?
Yes. This model is intended for home FDM and resin 3D printers. Check the original listing for suggested print settings like layer height and supports.

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