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Rotational blend help


New member
I'm gonna guess at what's going on.

Considering an elliptical shape; curvature is constantly changing therefore there is no "rotation" (implies a constant curvature for some portion of the feature?)

You might try a boundary blend to get what you want. (I generally try to avoid creating singularities of that sort, especially if there's an easy alternative but that's dependant on application and up to you.)

View attachment 975


New member
Thanks guys.

I thought about sweeping features around an extruded oval, but I thought it should work using a rotational blend. I was trying to see if it would work because I could save a lot of time this way. I often get round and oval shapes that are given to me as 2D cross sections. I have a shape for a handle I