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I own and maintain the original design files. I am protecting the core design from potentially unsuccessful remixes being posted. However, if you read my other comments, I do support others taking on this design challenge with their own version.

Also know that I've moved forward from this development effort. I now use a modified filament delivery chain that requires a bit of machining on the bowden tube. You can learn more here: http://www.print3dforum.com/showthread.php/1278-Universal-Hub
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