Hello, (Inventor 2013 suite) I am trying to create a variable pitch worm screw,so went about trying the 3D Equation Curve with a view to sweep a cut down the length of a shaft, the 3D curve looks ok, pretty much what i wanted, but when i created a sketch to sweep/cut the end result went haywire, nothing like what i wanted.
Is 3D Equation Curve the right way to achive a variable pitch screw?
Thanks in advance
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