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Hello! :D I'm a game dev by day, tinkering enthusiast the rest of the time (and often during working hours too). I don't own a 3D printer yet, mainly because I can't spare enough free time to build it up, but I'll be getting a Rostock V2 by the end of the year (which is now consequently passing much ...

3Ds MAx has a mesh modifier called 'Shell', which creates inner walls for a solid object (for a cube primitive, it would turn it into a closed box). The shell modifier has parameters where you can configure the width of the shell walls, so you could probably use that to make your mesh into a more ...