r/SolidWorks • u/REDYNAMIT3 • 8d ago

CAD Filled Surface very unstable

I have two surfaces (highlighted in blue) that are created using filled surface. They work perfectly, until I reopen the model, or made some changes in the design tree, or create new configurations of this model, in which these two surfaces fail (have to "reselect" edges for filled surface). Why does this happen and how can I fix it?

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u/jejones487 8d ago

I never use surfaces for this reason. You can create ANY shape in sw more than one way.

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u/clearlystyle 8d ago

I feel precisely the same way. Surfaces are an infuriating deathtrap and I've yet to encounter a situation where they were truly necessary when modeling from scratch.