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Walls Too Thin. Ripping My Hair Out!

Hello folks. I make models in Zbrush for 3D printing, fixing mesh integrity as I go.  Analysis  shows everything is fine. Then I use Meshmixer to hollow out the model for printing, offsetting 1-3mm. Sometimes it works out fine but too often the models are sent back for the walls being too thin in seemingly random areas. How can I prevent or fix it? I get the same results starting from scratch. I'd really appreciate any pointers. 

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  • pior
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    pior grand marshal polycounter
    - 3D printing (either in filament or resin) relies on dedicated slicer software to prep the files for printing. You don't need to do any hollowing manually.

    - If for some reason you do need complete control on the interior cavity, then keep in mind that hollowing a mesh doesn't require any dedicated extra software software. For instance to create a hollow sphere you can simply append a smaller sphere with inverted normals. This  approach gives complete control on the design of the interior cavity.
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