The Butterfly: lightweight and easy head mount for LM6UU crossbars (eg. Ultimaker)

This is a thing in progress b/c of the way the hot ends are attached.

This is a generic, minimalist, extremely light, dual-head-ready, two-part only, quick head mount replacement for the ultimaker. I am using it most of the time in place of the stock mount.

It can be used like this but there is also some work/upload to be done for a better attachment to the hot ends (see the instruction for more). See, eg. the specific mount for the E3D on the last picture (http://www.thingiverse.com/thin