I’ve been using Rhino 5 for 2 years but I have no practical training, so I guess that I’m a noob.
I’m a marine fabricator and I create parts by importing DXF data, which was captured by either a laser or some sort of photogrammetry. Once I have that data, I do a series of offsets on it in order to create to parts that I need with seam allowances and such.
Lately I’ve noticed that although my parts are all being made perfect, when I close the file at the end of the day and reopen it the next day, my model is changing, curves and lines are moving.
So my employees are spending days assembling the stuff, only to find that now it doesn’t fit. Any ideas as to why this happens?