Hi,
thanks for your reply. Sorry, I have no idea what "the final siE" or "a rule of three" is.
If my UM3+ prints with an offset of approximately 0.3 mm on the X and Y axis, can I just enter "-0.3 mm" in the "Horizontal Expansion" setting to get accurately sized prints?
I really do not understand why this problem even happens with such an expensive device like the UM3. InMoov is designed to be printed even on cheap 3D printers, and nobody else seems to have to do these hacks, except for very few people with totally uncalibrated DIY 3D printer kits…