Prusa MMU Z Calibration

Designed to test all four extruders while giving a good track to perform Live-Z adjustment with your Prusa Mk2 Multi Material printer.

Note: To center the print in your bed you will have to adjust the wipe tower dimensions a bit, or you can print it off-center somewhat. Here's the dimensions I used:

Slic3r->Print Settings->Multiple Extruders->Wipe Tower: Width = 20mm, Per color change depth = 45mm

I added a G87 and G88 command to my gcode so that I can use this as a replacement for t