Printrbot Jr Bowden Shaft Mount

This is a shaft mount for a Bowden style extruder for the Printrbot Jr. There are two files here.

The PrintrbotJrBowdenToExtruderShaftMount.stl includes the features necessary to attach a pneufit adapter and the other doesn't. I had already printed and glued my pneufit adapter into my thing 90335, and didn't want to take it out and glue it into a new one. The other file just has a hole for the adapter to fit through.

You can mount the extruder in either direction, but it would probably