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Errors with Lofts

Question asked by Nicole Lewis on Jan 9, 2008
Latest reply on Jan 10, 2008 by Nicole Lewis

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I am trying to create a loft over a 3-D surface but the same error message appears every time I try to complete it. The message reads: Error, multiple contours. What does this message mean, and how might I fix it?

Thank you,

NCSU Student

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Matt Lombard Jan 9, 2008 11:11 PM
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It means one of your sketches has multiple contours. SolidWorks loft profile follow very definite rules. Sketches need to be tidy and exact.

If you use the Selection Manager, you can make sloppy sketches and just select the stuff you want.

It would be easier if you just posted your part than to try to teach you all of this stuff in general.
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- Dan Riffell @ Matt Lombard on Jan 10, 2008 12:21 PM
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  Hey, what happened to Fritz the Cat?!?
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- Nicole Lewis @ Matt Lombard on Jan 10, 2008 7:02 PM
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  In general, I'm trying to model the pulmonary valve located in the heart. I've taught SolidWorks to myself, so I still am on a very basic level.
  
  I've started by making a stencil of half of a valve leaflet, and once I make the loft I am planning to mirror the loft across the midplane. Now if only the loft would work!
  
  I tried to submit my SLDPRT file, but it will not upload successfully. Therefore, I've attached a jpg file illustrating what I am trying to do (its the best I could do!).
  
  I can trying sending an e-mail with my part attached, that might work better.
  
  Thank you!
  
  NCSU Student
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  - Pete Yodis @ Nicole Lewis on Jan 10, 2008 7:20 PM
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    You need to zip up your .sldprt file in order to successfully upload it. After uploading, you need to attach it...
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  - Charles Culp @ Nicole Lewis on Jan 10, 2008 7:21 PM
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    Nicole,
    
    Put the .sldprt file in a .zip file first, then upload it.
    
    *Edit: And it's hard to say, without actually seeing the model. It looks like you are on the right track. Two notes:
    
    - I suggest a "surface loft", found in the surfacing tools. Then you only need to do the complex surface, and can fill in the rest later. or use it to "cut" or "replace face" on a solid body, or "thicken" to make it a solid.
    
    Also, I think what you may be having trouble with is selecting the correct lines. After starting the loft tool, right click, and choose "selection manager", which should help in selecting the appropriate lines for each component of the surface-loft.
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  - Matt Lombard @ Nicole Lewis on Jan 10, 2008 7:33 PM
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    Use a surface loft or a boundary surface. Don't try to make this into a solid. It looks like all of those lines are meant to make a solid.
    
    Because it looks like all of the sketch entities are jumbled up, you're going to have to use the SelectionManager to pick the entities that are supposed to be in each profile.
    
    Dan,
    
    Bill The Cat went on his regular winter vacation to the Syracuse, NY nuclear power station. I've been left here to mind the shack till he gets back.
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    - Nicole Lewis @ Matt Lombard on Jan 10, 2008 9:39 PM
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      I've attached my file to this post.
      
      I am going to keep working on the part
      
      Thank you!
      
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      model the clay model1a.zip85.8 KB
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      - Matt Lombard @ Nicole Lewis on Jan 10, 2008 10:07 PM
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        here are two samples one is a loft the other a boundary
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        model the clay model1amattboundary.zip106.8 KB
        model the clay model1amatt.zip78.0 KB
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        Nicole Lewis @ Matt Lombard on Jan 10, 2008 10:59 PM
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        Thank you to everyone who replied!
        
        Matt, thank you for sending your files. I had to open up the loft feature to see how you created it, upon which I realized my silly mistake. I was selecting the entire outline as a boundary instead of selecting the two sides. I did have the right guide curves selected though!
        
        Thank you, I appreciate it!
        
        Happy NCSU Student
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