PRECISE THICKNESS CONTROL: Basswood Sheets measures 12 x 24 inches and is strictly controlled to within 0.1mm of thickness error. Uniform thickness means you can say goodbye to wasteful cutting due to size and thickness errors. SMOOTH AND FLAT: Basswood Sheets surface has been sanded and compacted many times, no burrs, no warping and bending even in low humidity environment, which ensures the perfect straightness of the wood crafts. LASER ENGRAVING: 3mm Wood for Laser Cutting. Thanks to the accuracy of the dimensions and thickness, these basswood boards excel in laser engraving without splintering or cracking, without much smoke or large scorch marks, and are extremely popular with cutting enthusiasts. DIY CRAFTS: 3mm Wood for Laser Cutting offers good stability and durability for a variety of architectural models.