Bake and cool 1-layer oval cake. Ice smooth, using white for sides, light gray for top. Position on prepared board. Tint remaining gray fondant black. Roll out 4 oz. 1/16 in. thick. Using smallest Cut-Out, cut squares. Attach with dots of icing to form checkerboard pattern, starting at top edge of cake. Pipe tip 3 bead bottom border. Pipe tip 3 motion lines on top, varying from 1/2 to 1 in. apart.