Hi Ced, usually that type of patterned surface bumpy textures are better to do in a rendering program like you show there and not with CAD geometry which MoI is focused on. So I'd recommend doing those in Blender, not MoI.
The closest thing in MoI would be to make a pattern on a flat surface and use the Transform > Deform > Flow command: http://moi3d.com/3.0/docs/moi_command_reference8.htm#flow
- Michael
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