Rules for Category:

Unfinished - From pattern made by student on Computer Controlled Equipment (CNC). Any project cast of metal must be clean of sand but not filled, painted, polished, machined, sandblasted, wire brushed, or assembled. All gates, spurs, and risers must be left on a casting
entry. Examples: wall plaque, engine part, etc. Pattern must accompany part or be entered in PM-2.