Tevo Tornado, CR-10, and clones: Dual Front Facing Extruders

This is a remix of my previous work that supported only one extruder. This design supports two extruders side-by-side. I designed the mount to bring the extruder to the front of the X-axis, facing the user, so that they will be easier to access with the printer inside an enclosure.

The mount is designed to be installed on the spacers holding the X-axis stop switch. As the four screws holding the cover are very short, four longer M3 screws are required for a good grip.

I tested the print w