Calvin Seibert constructs geometric sand castle sculptures with precision . The artist has been creating these works for over a decade and they are so intricate that he is able to create them in just one day. Seibert shapes everything by hand , roughly packing each piece .
Calvin Seibert constructs geometric sand castle sculptures with precision . He only uses a pail , a plastic placemat and a $ 1.50 plastic tool for the edges . Seibert shapes everything by hand , roughly packing each piece .