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Zero-Thickness Geometry when trying to loft a helix

Question asked by Phil Engel on Aug 18, 2015
Latest reply on Aug 19, 2015 by Phil Engel

I am having trouble creating this loft feature on my SW part. I am pretty new to Solidworks so please forgive me. I am looking to make a drill-type part, when I create the Lofted Boss on top of the helix (using the helix as a centerline, and the two triangle sketches as my profiles), it says I cannot perform the task because would result in a zero-thickness geometry.

 

What does this mean, and how would I resolve this problem?

 

Thank you

 

P.S. I attached the solidworks part and the assembly which are the same model, I put both in there in case one doesn't open.

 

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