My vinyl banner arrived last night so I’m running my first full calibration 
I also have my PWM set to 32kHz so the motor whine doesn’t drive me nuts. Seems to be running fine with 32kHz.
@madgrizzle do some of your squares have fuzzy edges? I noticed some of the squares in the banner are not the most well-printed
But some are definitely better than others
Dimensional accuracy was pretty close at 0.998263889 scale in the X dimension (shorter than expected) and 1.002604167 scale in Y dimension (longer than expected)