8.1.6.1 Shell Body

Shell Body transforms a body into a shell body.

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In the dialogue window under Face to Pierce , select the surface from which the shell is to be formed. 

You can also use the Face to Exclude tab to select some areas that should not be hollowed out, such as the areas of a pad on your part. These can then be edited with the Shell Face (see 8.1.2 "Change Faces"). If you want to omit a feature such as a pad, you have to select all of its associated surfaces so that NX can recognize its intentions in Synchronous Modeling mode.

Under Wall Thickness you can now select the wall thickness of the hollow body.