Geeetech A10M A20M Extruder lift blocks

This is a remix of the design by MackiFPV. I figured if my printer is a two color printer, why not utilize this for the extruder lift blocks. These blocks allow you to mount the extruders in a vertical orientation, making it easier to load filament. Also, with the spools aligned over the top rail, versus cantilevering off of the back, the printer is more stable.