Hi everyone,

Looking for some help with a problem I can't seem to solve. I want to make a 3d printed mask that is 0.5cm deep. The appearance of the outside of the mask doesn't really matter. What is important is that the mask fits exactly to the facial features of the wearer and that it is uniformly 0.5cm deep. I'm only doing small sections of the face at the moment i.e. the nose and ear.
I have a cubify sense 3d scanner which has given me good 3d models in .stl format. I have autodesk inventor and cubify design CAD software to work with and I can get other software if necessary. I can convert my .stl files to .SAT, .DWG and .IGES files if necessary. I want the output to be in .stl format.

Does anyone know how I could invert my image and make it uniformly 0.5cm in depth so it would fit facial features perfectly?