As with both our hobbies /pastimes the graining is detrimental finding pieces of wood with the finest of grain , yours must be harder at that scale . I get given a lot of wood now the daughters boyfriend is a joiner he gave me an offcut of very fine grained Meranti it measured 400x200x50 like some one had said to me here's a forest as it will be sawn in 1mm,2mm,3mmand 4mm planks to make miniature furniture , fantastic find for bass wood was IKEA slatted blinds 2.5 mm thick 40mm wide if you know anyone getting rid of any run mine through roller sanders to remove finish I also get a great amount of point 6mm ply in 1mt lengths up to 75 mm wide that would normally be thrown in a skip from a Lazer cutting print firm pitty you weren't closer