To Copy or Delete a Bend Table
Use the Bend Allowance page of the Sheetmetal Preferences dialog box to set default bend table 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 Bend Allowance line. The Sheetmetal Preferences dialog box opens.
3. Click the Bend Allowance tab. The Bend Allowance page opens.
4. Click Part Bend Allowance Table. The Part Bend Allowance Tables dialog box opens.
5. To copy a bend table to the part, select the bend table and double-click, or right-click and choose Add to Model. The bend tables added to the part display in the Tables in Model list at the bottom of the dialog box.
6. To delete a bend table from a part, right-click it in the Tables in Model list and choose Delete. The bend table is deleted from the list of bend tables in the part but still exists in the directory.
7. Click OK.