To Create a 3D Solid Shell

 
 
 
  1. Click Home tabSolid Editing panelSolid Edit drop-downShell.
  2. Select the 3D solid object.
  3. Select one or more faces to be excluded from shelling and press Enter.
  4. Specify the shell offset distance.

    A positive offset value creates a shell wall in a positive direction from the face. A negative value creates a shell wall in a negative direction from the face.

  5. Press Enter to complete the command.