Changable Print Head (Hypercube, 2040)

### Update 2019-06-25
Added a 1.1.0 version of the E3D Mount. It has a guide for the filament tube which does miracles when printing with PLA that tends to get stuck.

### Update 2018-12-17
I changed the original E3D clamp so that the bull duct has better support thus less vibration. Also I added a 1.1 version of the LJ12 probe - now one can screw both screws (top and bottom).

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At this point I have a strongly modified Tevo Tarantula and a HyperCube (also modified). I love how [Tech2C](https://www.thingiverse.com/Tech2C/about) made the print heads changeable but I dislike the little fan duct blowing from the back. The fan duct I absolutely love is the one made by [Lion4H](https://www.thingiverse.com/Lion4H/about) and I used it on my Tarantula for a very long time.

Now that I have both of the printers I wanted a way to have a universal "mechanism" to use one hot end on both printers without making redoing the print head each time (or to use [Tech2C's toolheads](https://