Geometric Sandcastles by Calvin Seibert Neodim 10 years ago Calvin Seibert builds impossible géometric shapes with sand ! ++Calvin’s FlickR ++via Colossal PinShareTweet0 Shares Tags:sand, sculpture PinShareTweet0 Shares Facebook Prev Article Next Article Tags:sand, sculpture Related Posts Paul Baliker Sculpture Neokentin July 17, 2013 Pop-culture Characters From Carved Wax Crayons By Hoang Tran Neokentin February 25, 2015 Byaku by Nahoko Kojima Neokentin November 3, 2013 Add Comment Cancel reply Save my name, email, and website in this browser for the next time I comment.