MakerBot Print is our newest print-prepration software, which supports native CAD files and STL assemblies,
allows you to interact with all your printers via the Cloud, and many other exciting new features.
Do you think this extruder works with this gear : http://www.ebay.com/itm/For-Reprap-3D-printer-Feedstock-Wheel-Extruder-Gear-Hobbed-Gear-Drive-Gear-/361297222385?pt=LH_DefaultDomain_0&hash=item541efe1af1
I tried with normal MK8 extruder gear and the grub screw doesn't goes all the way in and it bumps into plastic part. Also 22mm spring is not long enough for this gear.