…as opposed to take the female thread in enlarge it a tad with offsetSrf.
I find offsetSrf creates naked edges and all sorts of little issues, naked spots, theyre the worst, no edge, just a red dot when running showEdges. Is it better to offset outwards than inwards. I am offsetting things inwards, If ones skin expands its smooth, if you lose weight it wrinkles, wrinkles sort of equal those little errors !
By the way, I gather that 3D printing can print pistons within cylinders and the result can see pistons run up and down, what about the gel stuff that gets used to support the structures that is then washed off, how does that escape out of such confined spaces ?..or your screw thread, I guess you unscrew wash then reassemble.