My dad was a carpenter who did some electrician work. Can confirm. Living in any house not built by him was worth two years of complaining and a year of fixing it. Other than that, it was hard to frustrate him with anything else. Cool as a cucumber. Did beautiful work, too.
Is it a tetrahedron? I don't want to pretend I know anything about mathematics and geometry. Calling him D4 Head would be more my speed.