odd number of veneers and each ply is at a right angle to the one below, this gives the material it's strength.

Fancy plywood

Species: Birch, Red Oak, Elm, Hickory, Paulonia, Teak, Maple, Beech, Walnut, Cherry, Sapelle

Glue types: MR, E1, E2, Melamine, WBP

Core: Poplar, MLH

Thicknesses: 2.5mm, 3.0mm, 3.2mm, 3.6mm, 5.2mm, 6.0mm, 9.0mm, 12mm, 15mm, 16mm, 18mm, 21mm

Grade: AAA, A-2, AB, B-2,C-3, C/D, D-3, etc. 

fancy plywood