'Smart' mesh thicken (ok to sacrifice even thickness)

Hi! I notice that when thickness is high, the mesh thickening fails (gives bad results, vertices run into faces). How can I thicken ‘smartly,’ sacrificing even thickness for correct result when needed? (this would be perfect for nurbs too if possible!)
The (cross-section of) solution I need is sketched out here: when curvature of the thickened surface too high, just reduce it, sacrificing accuracy for correctness

Thanks very much!

Isn’t that what ISO functions for? Shrinkwrap, Dendro and many others.

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Thanks very much for your reply Quan! I just saw this! I created a better-explained question with example Thicken mesh (sacrifice even thickness for correctness)