To Edit a Bend Table
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 Bend Allowance line. The Sheetmetal Preferences dialog box opens.
3. Click Bend Allowance.
4. Click Part Bend Allowance Tables. The Part Bend Allowance Tables dialog box opens.
5. Select a bend table from the library or copied to the model, and right-click and choose Properties. The bend table opens.
6. Edit the bend table information as required.
7. Click > .