NEMA17 & Bowden geared extruder for the SmartrapCore, V 0.95b

Warning : this is the OLD version of my geared extruder. You might want to get the new (and very much improved) one, at http://www.thingiverse.com/thing:1359717 ;)

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Yet another geared extruder… ;)

This one is specially designed for my SmartrapCore printer, but it can certainly be adapted for other machines.

I made its body in 3 parts that you have to stack together, so it can be printed without using material support. It's really easy to assemble, though, and it allows for a c