A joggle stick, or tick stick if you hail from the far side of the Pacific, is a device used to transfer an irregular shape, like a bulkhead, to a pattern board. It is made from whatever flat, stable material is to hand, like thin plywood.
Usually about half a metre long, it can be whatever size is appropriate. The shape is like a long triangle, wide at one end and pointed at the other, with irregular notches cut along one edge.
To use, clamp a piece of flat pattern stock, like plywood or cardboard, in the same plane as the area for which you are making the pattern. Place the point of the joggle stick at intervals along the edges of the bulkhead and trace its outline on the…
