Bifurcated Structure

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 From:  Mindset (IGNITER)
8563.1 
How is it best to model a Bifurcated Structure?
I attempted to Sweep each edge and then top it off with a planar section.





I doubt that this is the best way to accomplish the task.

It seems to leave some artifacts in the surface at the tangent.



Comments, suggestions please.
-- MindSet

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 From:  Michael Gibson
8563.2 In reply to 8563.1 
Hi Mindset - usually branching structures are easier to do in a sub-d model since it has a nice way of melting everything together.

For NURBS modeling the usual way is to use a blend between 2 branches as shown here:
http://moi3d.com/forum/index.php?webtag=MOI&msg=4388.55

or here:
http://tips.rhino3d.com/2009/02/modeling-y-branch-polysurface.html

- Michael
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 From:  zarkow
8563.3 
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 From:  OSTexo
8563.4 
Hello,

I cleaned up the curves a little and added some rails on the sweeps to recreate the surfaces. Doing that you can achieve at least G1 all the way around. Unfortunately I'm out of space on the forum to post attachments, however I am sure you can get this result using Blend and Sweep.
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