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Dual Extrusion Y Splitter For 4mm Bowden Coupling and 1.75mm Filament

SplitterPic.png Dual Extrusion Y Splitter For 4mm Bowden Coupling and 1.75mm Filament
7a35d3c5e604e5fe8286cd5343d97f41.png Dual Extrusion Y Splitter For 4mm Bowden Coupling and 1.75mm Filament
e9db60a7794816657a68776286951cd6.png Dual Extrusion Y Splitter For 4mm Bowden Coupling and 1.75mm Filament
731934221687da0c910bed4fcf21cb35.png Dual Extrusion Y Splitter For 4mm Bowden Coupling and 1.75mm Filament
YSplitter_1_1.stl Dual Extrusion Y Splitter For 4mm Bowden Coupling and 1.75mm Filament
YSplitter_1_2.stl Dual Extrusion Y Splitter For 4mm Bowden Coupling and 1.75mm Filament
YSplitter_1_3.stl Dual Extrusion Y Splitter For 4mm Bowden Coupling and 1.75mm Filament
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Creation quality: 5.0/5 (1 vote)
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  • YSplitter_1_1.stl
  • YSplitter_1_2.stl
  • YSplitter_1_3.stl

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Publication date 2020-03-20 at 13:39
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Published to Thingiverse on: 2018-06-30 at 05:02
Design number 119460
OneFour3

OneFour3

3D printer file info

3D model description

Haven't tried it yet, but I couldn't find a Y splitter that would work with my 4mm Bowden connectors.

No PTFE inserts because I'm hoping I won't need it. I'm going to use transparent PETG for mine so I can see what's happening inside, not sure what plastic will work best.

Use a tighter tolerance PTFE tube for the run from the hot end to the bottom of the splitter to try to control the plug that will form on retraction.

I'm not using any custom GCODE, I'm using two stepper drivers in a 2-in-1-out firmware configuration. Basically mimicking the E3D Cyclops, albeit with longer filament switch retractions.

Will update if it works!

UPDATE 1:

Changed the file to take a PTFE tube through the bottom. I'll chamfer the inlet to make the filament run a bit more smoothly and see what happens. This file uses one of these bowden couplers for the bottom outlet. https://e3d-online.com/threaded-bowden-coupling

UPDATE 2:

Further testing, opened up the inlet holes a bit more, added the OSHW logo because I like how it looks. I was having trouble with the plug that forms on retraction getting through my v6 heatbreak, so I swapped it for a Lite6 heatbreak/heatsink and will see if it helps.

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