chrisb wrote: ↑Mon May 17, 2021 11:35 pm
My first guess was better: The additive pipe and the revolution are features without body. The attached file was derived from your file:
Snip macro screenshot-0069ed.png
Even without this, your file was a pretty mess where I had difficulties to find my way through all the references going to and fro. A clear concept may help you to keep the overview.
Its probably messy because I am far from proficient with how things work in FreeCad. I guess I originally thought that something like a revolution or a pipe created a body but that was just my ignorance. I sort of assumed that the program wouldn't let me do something "illegal" or "wrong".
Sorry, but how do I fix this without starting from scratch? Using the file you provided, I have tried various ways to add these things to a body, but have not been successful. Your advice is REALLY appreciated.