Wooden blanks are made from quarter inch plywood.
Left: 6.75 by 6.25 inches in size
Middle: 7 by 5.75 inches in size
Right: 7 by 5.75 inches in size
Left: 6.75 by 6.25 inches in size
Middle: 7 by 5.75 inches in size
Right: 7 by 5.75 inches in size