Expert Machinist > Using Expert Machinist > To Replace a Reference Model
  
To Replace a Reference Model
You can replace a reference model of type Part by a member of the same part family.
1. On the Machining tab, click Modify Model. The NC MODEL menu appears.
2. Click Replace Ref Model. The Family Tree dialog box opens with a list of instances.
3. Select the replacement instance from the menu.
4. Click OK.