Traditional Tick Stick Technique
Hackaday just highlighted the "tick stick" — an old-school carpentry tool for accurately transferring irregular shapes without fancy gadgets. Perfect for fitting shelves into crooked corners or trimming woodwork to match stone and brick. Low-tech solution that beats digital measuring for complex outlines.
The tick stick, an ingeniously simple tool, has been in the carpenter's arsenal for centuries, if not millennia, with its popularization often credited to boat-builders who needed to fit components to the complex curves of a hull. This age-old technique allows for the precise transfer of any odd or complicated shape where a ruler or tape measure would be impractical. Also known by names such as "joggle stick" or "speil stick," the tool is simply an irregularly shaped piece of wood with a distinct point. The irregular shape is the key, as it provides a unique reference when traced onto a "story board," such as a piece of cardboard or MDF, placed in the irregular space. The process involves placing the stick's point against key reference points of the shape you want to copy and then tracing the entire outline of the stick onto your storyboard for each point. This creates a series of outlines that act as a map. By then placing the storyboard onto the material you want to cut, you can reverse the process, aligning the tick stick with each traced outline and marking the location of its point to replicate the original shape with surprising accuracy. While modern digital tools like 3D scanners and CNC routers can replicate complex shapes, the tick stick remains a valuable, low-cost alternative. For many woodworkers and builders, it's a technique that, while not needed often, is indispensable when the situation arises. It stands as a testament to the enduring effectiveness of simple, analog solutions in a digital world.