Greg's Hinged Accessible Extruder
Made by DrBoo, uploaded
I'm working at using this as a Bowden on my Mini Kossel. The white plate fits under the 1515 railing, and at the front top of the machine. So the white gears face outward (they're pretty :). On top of the white plate is a push fit connector, through which the filament is fed to the thingy. So I'm looking at running this backwards, too. On either side (in/out) are push-fits which will have 4mm ID PTFE tubing to carry the filament. No idea if this will all work, but seems worth a try. To put the "bottom" push-fit on (actually the top as originally oriented), I added a small shelf to the design, so that I had some solid surface to attach to.