2 in 1 out dual extrusion (Cyclops) system Y shaped part

by Iskander, published

2 in 1 out dual extrusion (Cyclops) system Y shaped part by Iskander May 18, 2017
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2 in 1 out system is designed in the way that you have 2 bowden extruder motors with bowden tubes feeding filament to this part which has only 1 outlet side that feeds into single hotend.

Existing models didn't fit my needs so I created parametric part.
Current parameters are tuned to accommodate m6 thread with prior tapping.
I recommend first to print test part (produced by setting debug = true) to make sure your tolerances are good.
radIn - radius for the filament
radThread - radius for fitting

If your fittings don't let bowden tube to go straight through replace
radPtfe = 2.5;
radPtfe = radIn;

If you don't want to tap the threads try increasing radThread to let fitting screw right in.

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Prusa Steel









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can u post a picture of a print made with this dual extrusion method?

This was part of the printer rebuilding, I'm still tunning it. I'll post as soon as i'll make one and ping you back.

Ok Thx

I am looking for single nozzle dual extruder and im not sure if this is ready for PLA. How could I use this in Cura 2? Are there any script or something? im new to this system and I want to try it. Nice work by the way!

It should be ok with any non-flexible material, especially PLA.
I didn't set it up yet, but I'm going to do it through Marlin firmware, it has a feature for that.
I guess you could do it with cura script, but I don't have one on my hands. What firmware do you use?