Tangential Offset
Sheet-Metal Design
You can create a sheet volume based on the selected face or a chain of faces. A chain of faces comprises faces that are connected to each other, and which define the form of a part. A chain of faces does not need to be tangential.
- You can create shelling from a normal part or edit a sheet-metal part.
- If the Sheet-Metal Design option is in use, the shelling created from a normal part can be changed as a sheet-metal part.

- 
        Select Part/Sheet metal part | Tools | Tangential Offset. Tangential Offset.- (OR) Select at least one surface and select the context-sensitive function  Tangential Offset.... Proceed straight into defining the tangential offset data. Tangential Offset.... Proceed straight into defining the tangential offset data.
 
- (OR) Select at least one surface and select the context-sensitive function 
- Select a surface chain. The surface chain does not need to be tangential. If the function  is selected, when you select a surface, the program will automatically select the tangential surface chain connected to the selected face. is selected, when you select a surface, the program will automatically select the tangential surface chain connected to the selected face.
- Select the context-sensitive function  OK or press the mouse middle button. OK or press the mouse middle button.
- Define the tangential offset data in the dialog box.
- Select OK.
