Sheetmetal > Setting Up Sheetmetal Design > Design Rules > To Assign or Unassign a Design Rule Table
  
To Assign or Unassign a Design Rule Table
1. Click File > Prepare > Model Properties. The Model Properties dialog box opens.
2. Click change in the Design Rules line. The Design Rules dialog box opens.
3. Select a design rules table from the library or model list and right-click and choose Assign. The design rule table is assigned to the part.
4. To unassign a design rules table, select it, and right-click and choose Unassign. The design rule table is unassigned but is still saved with the part.