Took off the cottleboards and examined the first part of the mold. It looks great.
Then I had to problem solve how I was going to create the pour holes. I made a quick mock up of one of the corners with some clay.
Then I created the retaining walls with keys.
Finally, I poured the Ultra-Cal 30.
Terrance Graven is a San Francisco artist whose installations incorporate sculptural elements, performance art, costumes, sound pieces, and theatrical lighting.