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Mon, Jun 18, 2012 at 4:30:18 PM | how to do a tubolar spiral?

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querosaber


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how to do a tobular spiral? 


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Mon, Jun 18, 2012 at 4:38:14 PM | how to do a tubolar spiral?

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teafoe5


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What Revit version are you using?

Here is one for 2012 http://www.youtube.com/watch?v=aXtY0ngSIto


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Mon, Jun 18, 2012 at 6:07:34 PM | how to do a tubolar spiral?

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itsmyalterego


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My advice is to use a swept blend.  Start with one swept blend, which has an arc for a path, and a square for the first profile.  Give it a second square profile, elevated as high as your spiral will rise in a half turn. 

finish the swept blend--then mirror it, move it end to end, and start copying the segments upward.  Perhaps this meets your needs right here. 

But, for added fun, you can use the edges of this swept blend as the 3D path of a regular sweep, since sweeps are much more flexible for profile changes.

 

Edit:   And of course, any of these profiles could be hollow/a tube instead.



Edited on: Mon, Jun 18, 2012 at 1:10:47 PM

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Tue, Jun 19, 2012 at 1:11:22 PM | how to do a tubolar spiral?

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alfmedina


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Here's an article that I wrote recently about how to do the helix in multiple loops, controlled by parameters:

http://planta1.com/forum/entry.php?17-How-to-create-a-parametric-helix-with-multiple-loops


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