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Hey folks,
Here are three examples of creating a helix with a circular profile. Any cross section bisecting the helix center point should display perfectly round circles. The ultimate goal is to have arbitrary shaped profiles.
The enclosed screen shot is a cross section of helices produced by three generation techniques:
1) The coil tool produces the leftmost helix. Cross section is round. Nice. Alas that one can't use profiles other then circles, triangles or squares! That would be problem solved.
2) The sweep tool produces the helix on the right with a straight path and a twist angle. It's pretty good. Bit tricky to get the angle right, but that's just me.
3) Middle body is a combo of coil tool, plane on path and sweep. Seems straight forward. Use the coil tool to produce a triangular helix body. Inner line is the path, outer vertical surface is the guide sfc. Plane on Path at start (zero) of path. I'd like to use the method but it does not produce circular cross sections. Somehow the plane on path is at the wrong angle (?). Is there anyway to make this technique work?
thanks,
mark
ps: the yellow circle in the screenshot is a round ball same diameter as the helix profiles.
Solved! Go to Solution.