as the name says... updated for same hardware as MakerBot spring-loaded drive block. Just print out and swap the spring, bearing, and two mounting screws. Thanks to FD_engineer for the base models. NinjaFlex is awesome!!
Instructions
printed at standard settings in MakerWare in ABS works great. Added stp and ipt files if you want to tinker. Replicator Extruder for FLEXIBLE materials - Updated by fumalcon is licensed under the Creative Commons - Attribution - Share Alike license.
