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Can you sketch onto a surface?

Question asked by Peter Loring on Jul 2, 2009
Latest reply on May 10, 2012 by Wes Thomas

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Is there a way to sketch curves onto a curved surface?

I want to use the sketches for guide curves.

Thanks,
Peter

Troy Peterson Jul 2, 2009 2:03 PM

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You can use "Spline on Surface" command

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Troy Peterson Jul 2, 2009 2:03 PM
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You can use "Spline on Surface" command
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- Peter Loring @ Troy Peterson on Jul 2, 2009 3:10 PM
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  Mark and Troy,
  Thanks, I'll give these a try. I suspect that they will do the trick.
  
  Peter
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- Wes Thomas @ Troy Peterson on May 10, 2012 10:07 AM
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  Thank you Troy!
  
  The Spline on Surface command is the way to do this. I was looking for a similar solution to the original poster; to sketch a 3D sketch onto an organic (was generated with a Loft feature) surface.
  
  Tools > Sketch Entities > Spline on Surface
  
  Thanks again
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Charles Culp Jul 2, 2009 2:21 PM
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Check out these tools and see if any get you what you are looking for:

1. Insert>Curve>Split Line Using a 2D sketch and the "project" option.

2. Tools>Sketch Tools>Face Curves

3. Insert>Curve>Projected
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Kevin De Smet Jul 3, 2009 5:11 AM
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Spline on Surface is extremely powerful, it can be a bit tricky putting relations on them though so you might need to manually tweak them until you're happy with them. But that's a small price to pay for its power.

Also, if you click on endpoints of a fairly curved face, your spline on surface might not be created - in that case try placing an additional point somewhere in the middle of the surface. Depending on the complexity I have found splines might need more points to pass through to successfully build on surface.
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