To Allow the Same Model
1. On the Mold or Cast tab, click Reference Model > Locate Reference Model. The Layout dialog box and the Open dialog box open.
2. In the Open dialog box , select a .prt file reference model and click Open. The Create Reference Model dialog box opens.
3. Under Reference model type, click Inherited, Merge by reference, or Same model.
4. If you click Same model, the name of the design model appears under Reference model in the Name box. The window updates with the mold reference part.