Dual Extruder Calibration

Here is a print for calibrating dual extrusion alignment. I set the bottom part to the primary extruder and the top part to the secondary extruder to be offset calibrated. The top part is elevated from the platform so that if the secondary extruder offset is too low, there is some margin so that it won't crash into the build platform. The hole I align to the "top" of the build platform to be able to clock how it was printed on the build platform to tell which axis and direction is which on the p