In this step, we assign Plastic-Polycarbonate to both parts.
1. From the ribbon, click Selection (tab) > Select (panel) > Parts.
2. Select the first part, hold Ctrl, and select the other.
3. Right-click in the display area, and select Edit > Material.
4. Expand the Plastic branch, and select Plastic-Polycarbonate (Molded). Click OK.
5. When asked to confirm, click Yes.
6. Press the Esc key to clear the parts selection.
What it should look like…