Echelon TV6 - Tilting Dual Hotend Assembly for Tronxy X-Series or CR-10

This is the result of my frustration over not being able to find a decent tilting extruder system. Introducing: the Echelon TV6.

This is designed such that when you have two E3D V6 hotends with the same nozzle, a 45° tilt of an MG996 (or similar) servo will result in the inactive hotend swinging down into the exact position of the previously active hotend, eliminating all need to fiddle with offsets for each nozzle. There is also only 1 part cooling fan needed for this design, which I have desi