E3D BigBox - Dual Titan IDEX

**UPDATE, PLEASE SEE BELOW**
**Also have a look at this [thread](https://forum.e3d-online.com/index.php?threads/dual-titan-idex-another-try.2684/) in the BigBox forums for more information**

This is my IDEX (InDependant Extruder Axes) setup for the E3D BigBox.
It has been influenced by the designs of Chase Wichert and "Björn" from the E3D Forums.
Chase made the initial Dual Titan design and Björn extended it to an IDEX setup.

I just wanted a more compact design in general and a little m