How to add thickness to helmet model

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Oct 11, '16

Hello, I’ve made 3d model of helmet in 3ds max by polygon method, so walls have 0 thicnkess, How I can add to the helmet some thicnkess? I recently used shell modify, but this time some reason it dosn’t quite work, not only add some distortion to model, but when I divide object to smaller parts to …