Why are specific angles used in woodwork joints? Investigate the geometry behind strong, precise joins and the mathematics that craftspeople rely on.
Woodworking joints — dovetails, mitres, mortise and tenon — rely on precise angles to create strong, lasting connections. But why those specific angles? This exploration investigates the geometry behind woodwork joinery. Students will examine how angle choice affects the strength and aesthetics of a joint, explore the trigonometry involved in cutting compound angles, and consider how traditional craftsmanship encodes mathematical knowledge. From the classic 1:8 dovetail ratio to compound mitres on non-right-angled frames, the mathematics is both practical and elegant.