Specialized Balsa Wood -- Balsa blocks are cut from the trunk of a balsa tree. There are rays and rings that determine many strength characteristics such as flexibility, ridged ness, and brittleness. The sawmills must also cut around the center of the tree (core) since it cannot be used for anything. The core is squishy like a marshmallow.
Brodhead Garrett A-Frame House Framing Kit
5PCS Basswood Carving Blocks - Small Unfinished Balsa Wood Blocks for Carving, Beginner or Expert Basswood Carving or Whittling kit
CALANDIS 3/5 Piece Balsa Wood Blocks DIY Modelling Craft Wood Working Materials 130mm : : Toys & Games
5PCS Basswood Carving Blocks - Small Unfinished Balsa Wood Blocks for Carving, Beginner or Expert Basswood Carving or Whittling kit
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Cutting Balsa Wood with the Cricut Knife Blade - Hey, Let's Make Stuff
Balsa Blocks – Balsa USA
Common Defects -- Specialized Balsa Wood, LLC
Balsa Wood Block 12 - 1X2-Multipack Of 6