You can build a perfectly respectable balsa airplane without turning your shop into a tiny NASA subcontractor. That’s good news, because the tool aisle can get dangerous. One minute you’re buying a hobby knife, the next you’re comparing scroll saws, micro planes, laser cutters, pin vises, twelve kinds of glue, and something called a “precision machinist’s square” that costs more than your first radio system. Ask me how I know. The truth is much friendlier: scratch building ba
