Assign Thickness
This dialog is used to assign a thickness to selected shells in the model. You can assign a thickness by selecting shells in the list and clicking the Accept button, or by picking from the modelling window.

1. Thickness name
Selects the thickness name to assign.
2. Add button (+)
Opens the thickness definition window so that you can define a new thickness.
3. Shells list
Displays a list of available shells. Selecting items from this list allows the chosen thickness to be assigned to those shells.
4. Accept button
Assigns the selected thickness to the chosen shells.
5. Close button
Closes this dialog and ends the thickness assignment command.