Arc Sweeping Problem

[Anonymous]

So I'm trying to design a tension coil and I'm struggling with Fusion360's "Sweep" function. I've created an arc from the coil and when I select the path to sweep, Fusion360 sweeps along a circle path that doesn't exist. When I change the arc to a different degree, there is no issue. But when it's just the way that I want it... Fusion360 is all like, "Oh!!! You want me to add random bits to your design? I think this would look cool!" Then it makes my design look stupid and not functional.

Anyway, I've attached a screenshot of what it's doing. Anyone know why it's doing this and how to make it stop and listen?

Many thanks!

[TrippyLighting]

You may want to share the model (export as .f3d and attach  post).

I cannot reproduce this, but your workflow might be different.

[Anonymous]

Is there a way to save a selection and post it in here? I'm not legally allowed to share the full project file...