Any pattern to be used in preparing a mold or casting metal that was made with a CNC machine of any type can be entered here. An entry in Pattern Making which consists of more than one piece should have each piece marked to show that the pieces belong to one entry. A ROUGH CASTING MUST ACCOMPANY THE PATTERN and/or be entered in PM-4 or PM-7. If an investment (lost) pattern is used, mounted photos must be provided.