Creality/Tornado Titan Aero (V6 & Volcano) Mount MGN12

This is a remix designed to allow for use of this mount with an MGN12 H rail.

Modifications
- Removed redundant holes
- Added the holes to allow for use with MGN 12 adapter
- lowered the mounting point to reduce z travel loss

To use this part you will need the MGN12 adapter: https://www.thingiverse.com/thing:3154732

Update 1/1/19: Added a V6 mount - i was using the original one for the volcano, switched it out for the V6 and it was too high...so now there are two files one for Volcan