Saturday, March 31, 2012

My Archnemesis

Air bubbles. Mixed in with concrete, they create voids on the surface of a sculpture. To reduce the amount of bubbles, I bang my molds 200+ times on the floor or work table. Vibration works the bubbles to the surface.
Here's a picture of the surface or the wet concrete with the bubbles coming up through the surface after being whacked on the table.

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