I'm not sure what's going on with this part, but it is very disturbing.
The circular cuts are different dimensions when the part is folded as opposed to when the part is flat. When the part is flat, the dimensions are correct. When it's folded, they are off by 1/4" and 1/8" respectively....not even the same amount so it makes no sense. These cuts should not be affected by stretching/compression due to the bends.
Note that the cuts are tapered and are made by sculpting out a cone while the part is folded. So there are 4 total diameters. ...or actually 8 different diameters, 4 for the flat pattern and 4 others for the folded.
Any assistance is very appreciated. This is very troubling to me as I would expect to be able to trust the 3d model but it appears to be wrong.
Best Regards, Bill