I recently updated to PU1. I was reasonably impressed with the new sheetmetal features as 90% of my work is in sheetmetal.   I have struck problems with Add miter though and I wonder if it isn't buggy.   I was making a 4 sided box out of 1.5mm st st 400 long that would have 25mm internal return flanges mitred at the corners - refer 'Miter Problem 1' which shows the design being an open butt corner for tig welding.   The 1st bend was used to 'Add Mitre' ( refer 'Mitre prolem 0' ) but I