Neon Art - Mitch Reid Electro-Pop Designs Custom 16 Inch Equilateral Pyramids Formed and Welded Stainless Steel Sand Cast 1/4 Inch Thick Aluminum Contact us for further information The images below are pictures of the cut bowling ball feet for the Mobile  Educational Kiosk. The top picture shows the bowling ball top side and the  images below show what the underside which is the inside of a bowling ball.