Summary

This thing will fit around a dremel flex shaft and fits inside a standard wades x carriage (I swap it out with my budaschnozzle)

Instructions

Please note this is a work in progress. This design should work, however it may change. Video of the holder in action:
https://plus.google.com/109144216682485717110/posts/NgQP221Byrh

And the final result (this was the first successful print - optimizations are needed on the software side, as well as a bit of calibration and a finer bit for the dremel)
https://plus.google.com/109144216682485717110/posts/gqBArZNd4Ay

This is intended to link a Dremel Flex shaft

http://www.amazon.de/Bosch-26150225PD-Dremel-Biegsame-Welle/dp/B0002SMO36/ref=sr_1_1?ie=UTF8&qid=1359412830&sr=8-1

with a standard X carriage. To use:

Original alibre design uploaded, please change as you see fit!