To Change Bend Settings
Use the Bend tab of the Sheetmetal Preferences dialog box to set default bend preferences.
1. Click > > 
Model Properties. The Model Properties dialog box opens.
Model Properties. The Model Properties dialog box opens.2. Under Sheetmetal, click change in the Bends line. The Sheetmetal Preferences dialog box opens to the Bend page.
 | Alternatively, you can select a body in the Model Tree, right-click and select  Preferences. The Sheetmetal Preferences dialog box opens to the General page. |
3. Select the part or a body from the list at the left. By default the part is selected.
4. To specify a different value for the bend radius, type a new value in the Bend radius box, or select a value from the list:
◦ Thickness—Uses a default radius equal to the thickness of the sheet metal wall.
◦ 2.0 * Thickness—Uses a default radius equal to twice the thickness of the sheet metal wall.
◦ 0.5 * Thickness—Uses a default radius equal to half the thickness of the sheet metal wall.
5. Select a value from the Bend radius side list to set the bend dimension location:
◦ Inside—Dimensions the radius from the inside surface of the bend.
◦ Outside—Dimensions the radius from the outside surface of the bend.
6. To specify a different bend angle, type a new value in the Bend angle box or select a value from the list.
7. To preview the model with the new settings, click Apply.
8. To regenerate the model with the new settings, click OK.
9. Click OK. The model regenerates using the new settings.