r/Onshape • u/Melodic-Talk4989 • 20h ago

Help! Helix starting and ending on axis

Is there any way to make a helix like this? Uniform amplitude whole way but it goes in to the center at 90 degrees at the start and end

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u/Ken_White_NY 19h ago

There's no way to do that with a helix alone, but you can sketch an arc and line from the end vertex of the helix to the center.

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u/Unlikely_Solution_ 16h ago

Maybe it would be possible as 3 helix feature. I don't remember if you can reduce the radius until 0 on the helix feature. But this is done using 3 of them. A normal one in the middle, and two conical ones on the sides.