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Help needed with irregularities in surface

Question asked by Marto J on Apr 4, 2011
Latest reply on Apr 5, 2011 by Marto J

Hi All,

 

I am pretty new to SolidWorks and I am trying to draw an oil sump pan. I used a lofted surface to draw the rear pan section of the sump and then thickened it.

The problem is that the surface has 2 "creases" in it and I can't figure out how to resolve this. I have tried altering the guidelines for the sketch a lot but perhaps I need to muck around with it even more. Alternatively, I may be using the wrong process altogether to draw this section, I'm really not sure.

 

I have attached a few photos for reference.

 

Thanks in advance for any help.

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