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    #1

    3D sweep profile rotation

    Profiles for sweeps on a 3D path seem to have a mind of their own on how they're oriented. Instead of staying vertical to the work plane, it seems to orient itself to each sketch line segment... sort of.

    Does anyone have any tips on how to keep the profile vertical?
    Owen Drafting Technologies
    Kyle Owen - Owner
    Tags: None
    #2
    No takers? Maybe my problem isn't clear. Maybe a picture will help.

    The railing is oriented properly at the top where it's level, but at the bottom end, the profile is rotated clockwise from vertical.
    Attached Files
    Owen Drafting Technologies
    Kyle Owen - Owner

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      #3
      Can you post a file with just the sweep? I just tried one similar to that and it worked as expected.
      Cliff B. Collins
      Registered Architect
      The Lamar Johnson Collaborative Architects, St. Louis, MO
      Autodesk Expert Elite

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        #4
        Here it is.
        Attached Files
        Owen Drafting Technologies
        Kyle Owen - Owner

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          #5
          No, there is no way of maintaining the profile Z axis parallel to the world Z axis using a model line or geometry edge as a path. I had this discussion briefly with Aaron not so long ago: linky

          Have you tried using a railing to see if that behaves as desired?
          Last edited by BLothian; May 2, 2018, 08:28 PM.

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            #6
            Did you create the path by picking the edge of the stair? I think that might be why it is "twisting".

            Try creating a new path without picking edges, and see what happens.
            Cliff B. Collins
            Registered Architect
            The Lamar Johnson Collaborative Architects, St. Louis, MO
            Autodesk Expert Elite

            Comment

              #7
              Originally posted by BLothian View Post
              No, there is no way of maintaining the profile Z axis parallel to the world Z axis using a model line or geometry edge as a path. I had this discussion briefly with Aaron not so long ago: linky

              Have you tried using a railing to see if that behaves as desired?
              Oh yeah. I remember seeing that discussion now.

              Can't use a system railing because the stairs are an in-place family because system stairs won't give me the shape I want. It's a vicious cycle.
              Last edited by kowen1208; May 2, 2018, 08:40 PM.
              Owen Drafting Technologies
              Kyle Owen - Owner

              Comment

                #8
                Originally posted by cliff collins View Post
                Did you create the path by picking the edge of the stair? I think that might be why it is "twisting".

                Try creating a new path without picking edges, and see what happens.
                The path is on the edge of the form overlapping the stairs.

                Not sure how to get a 3D path without picking 3D edges.
                Owen Drafting Technologies
                Kyle Owen - Owner

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                  #9
                  Simple. The flat segment gets modeled as a normal sweep. The stair segment gets modeled as a blend (not a sweep) with a flat work plane path, where both ends of the blend have the same profile, but one is much lower than the other. Then youll need to model the transition from one piece to the other, but thats just geometry.
                  Aaron "selfish AND petulant" Maller |P A R A L L A X T E A M | Practice Technology Implementation
                  @Web | @Twitter | @LinkedIn | @Email

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                    #10
                    Can you edit the stairs, in sketch mode--and copy the "edge-path", close out, then paste into the railing sketch?
                    Cliff B. Collins
                    Registered Architect
                    The Lamar Johnson Collaborative Architects, St. Louis, MO
                    Autodesk Expert Elite

                    Comment

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