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Forums >> Revit Building >> Technical Support >> How do I model a corkscrew? Revit2010
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Joined: Wed, May 7, 2008
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The reason I am asking is because I need to model one, but also because modeling in revit is based on workplanes and I am having difficulties creating paths that start on one workplane and move to another.
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Joined: Thu, Jan 24, 2008
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I too have wondered something similar. Should I need to model a screw complete with threads and lengths/sizes; how can it be done?
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Joined: Wed, Jul 23, 2008
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Use a swept blend. I belive the easiest way to do it is to do 180 degrees at a time, and just mirror it over and up to complete the loop. Then just copy it up however many times you need it. The reason for it being 180 degrees is that it won't let you go the full 360. So your path would be an arc, profile 1 is at the ground level, profile 2 is half way up and on the other side. Hope that helps.
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Joined: Wed, May 7, 2008
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Thanks for the reply, that's exactly how I managed to do it. I used a swept blend with offset profiles at 180 degrees. Though you might get the result you're looking for, you can't use join geometry so you end up with a cutline every 180 degrees. I was hoping Revit2010 had a newer approach to freeform modeling. In the "sweep" command thumbnail picture they did run the same sweep on two workplanes...
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Joined: Mon, Jan 12, 2004
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In 2010, too easy!! Just use a spline through points!!
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Co-Founder | BIM Consultant | Software Designer  B. Arch)
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Thanks, I forgot about that, I even saw a tutorial on youtube: http://www.youtube.com/watch?v=-4tK1gjgNt8
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Joined: Wed, Jun 10, 2009
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Mr Spot,
how can i avoid the "folding" of the spline at the start and end
thanks
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