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Bambu Lab Y-Splitter for AMS and Side mounted external feed — image 1
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Bambu Lab Y-Splitter for AMS and Side mounted external feed

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Allows the use of AMS in combination with a side mounted external spool feed

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Model information

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Just another Y-Splitter for the Bambu Lab P1 and X1 Series

it is to be used with PC4-M10/MF10 connectors 

i designed this model since none of the available models 100% satisfied my needs and i needed some stable solution for external feeding from a Sunlu S2 Filament Dryer and the AMS

BOM

keep in mind most PC4 connectors with “M10” threads actually have M10x1,0 and not M10x1,5 threads, so they are actually MF10 - if you are unsure about your connectors, make a test print of the thread first and see if it fits

Printing

Upright with the “bottom”  side of the Y facing downwards

use tree supports only on build plate

 print it with minimal layer height - preferrably with a somewhat ductile filament, PETG, ABS or ASA works well

Assembly

  • Thread the PC4-M10 Connectors in the 3 openings, gently tighten them
  • insert some silicone tubes into the connectors and guide a piece of filament (preferably anything hard like PLA or PC) through mulitple times to smooth out the fray opening on the side facing the extruder
  • remove the silicone tubes and the connectors again and remove any loose debries
  • reassemble and install them with the original screws from the original filament guide

 

Credits

Thx to @Harald Geisler who provided my with the step files for his splitter, made the process in figuring out the internal geometry much easier

 

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