CF Tube Spacer

This is an adaptor to use carbon fibre tubes instead of the printed arms for my quadcopter design. Print these spacers along with the motor mounts found here: http://www.thingiverse.com/thing:53924.
If you like this thing or find it helpful please consider a small donation, thanks!

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Update 7/3/13: I have added the Sketchup file for these spacers and motor mounts for download. Enjoy!