I have a hollow test square 100mm wide with 5mm thick walls (2mm high)
My machine is pretty straight, metal corners, best I can do mechanically.
I have duet ethernet and run the autocal ok, I also measured the H parameters.
My overall dimensions are 101.7 (should be 100), but the 5mm wide walls measure 5.4.
To get something like this would require both a scale and an offset error (y=mx+b of course)
Regardless, how do I adjust this scale if not handled by the autocal routine?
Even more, where is so much offset coming from and how do I fix that?
thanks