I'm trying to do a sort of swept cut that tapers off and disappears. I thought I had it with this boundary cut, but it keeps giving me this error.
That looks great thanks. I was able to replicate it (I think) using spline on surface. That was a helpful tool--I didn't know it existed.
Is that what you used for the "3D sketch on surface?"
I am not sure what you are trying do accomplish here. Is it this?
Yes that is it exactly. How did you manage to do that?
I made the sketch on the front plane (i think) and extrude cut with offset from surface 0,03 (offset from inner face of model) as i remember.
Your issue is not clear enough.
..well your profile is not aligned/constrained (should also be a bit bigger (not a sliver) and although boundary cut does work like a sweep cut.. I'd choose a sweep cut.. and/or use a 3DSketch onto the surface for the cutting path (image)..
Since your sidewall is already tapered, why not just offset your front plane and use your path/guide sketch to do a normal extruded cut?
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