A redesign of the printed parts of the RepRap Pro Huxley extruder, to use push-to-fit type connectors on each end of the Bowden tube.Made because we had lots of problems with the tube popping out under load from the extruder. The push-to-fit connectors are much sturdier.Can be retrofitted to a stock Rep Rap Pro Huxley.This is a derived work of the original Rep Rap Pro Huxley, which can be found at https://github.com/reprappro/HuxleyThere is also a git repository with these changes made to the original Rep Rap Pro Huxley design, at https://github.com/projectgus/huxley/tree/feature-extruder-pushfitYou may also want to look into this as a simpler alternative (I didn't know these were available when I started this project): http://www.emakershop.com/browse/listing?l=237I've published a blog post with illustrated instructions, here: http://projectgus.com/2012/10/rep-rap-pro-huxley-extruder-upgrade/