Round Plywood | Craft DIY | Cake | Thickness: 1/2 (10mm) Size: 10" 12" 14" Plywood sheet in pine. A pine plywood sheet is made up of several thin intersecting layers, so that the grain structure changes for each layer. This provides a stable sheet and a nice looking edge. A plywood sheet is easy to saw, screw, glue and cut, and suitable for many DIY purposes such as making window sills, shelves and boxes.etc. The edges of a plywood sheet may contain small gaps that can be filled when a smooth surface is required. The grain structure of the sheet is longitudinal. Available in 1/2 inch (10 mm) thicknesses. All plywood sheets are cut with a circular saw. Expect 2-3 mm difference in size Machine Cut. Note: Please expect minimal imperfections on the edges. TOP = smooth finished. Bottom = AS IS