I want to make an auger type surface and I cant remember how to set up the relation for trajpar. I am trying to use sweep to get straight line trajectory create a helical surface. Sketched section is straight line with length and angle dimension. I set the relation to sd4=trajpar*360*5 so that the surface will twist 5 times around during the sweep trajectory. However it does not work for me. I am going to search for the old files I know where I have seen this but I thought the group would be quicker.
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