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First off, thanks to Airtripper for a great compact extruder design!
This is my J-tripper -- a remix to the Airtripper design to allow for DIRECT mounting of a J-head (or similarlly slotted hot end) to the bottom of the Airtripper direct-drive extruder. I made this design to replace the finicky parts that I encountered on the Mk 7 / QUBD extruder designs.
I built mine using a Makerbot MK7 Drive Gear.
Visit http://airtripper.com/?p=367 for extruder body build details.
Once the extruder body is assembled and mounted to the stepper motor (as in Airtripper's instructions), simply slide the J-head hot-end into the bottom slot.
I consider this version "Beta" as I have only been using it for a few days. But it seems reliable so far, so I'm releasing it to the public. As the design is proven and updated to the Airtripper V3 core, I will also release the OpenSCAD file.
This is the reference extruder design for the F3 CubeMax (come see us at MakerFaire San Mateo 2013).
Assemble using Airtripper's instructions here:
Then slide in your hot end!
Mooner's J-tripper Extruder by mooner is licensed under the Creative Commons - Attribution - Share Alike license.
So what's this mean?
We're sure mooner would love to see what you've printed - take a photo and share it on Thingiverse as a Make.
To post a Make simply visit this Thing again and click I Made One to start uploading your photo. You can also download the Thingiverse Mobile app (available via Google Play and Apple App Store) to take a photo and upload your Make right from the app!