The 12" No-Math Halving and Doubling Ruler is built for makers who need precise placement every time. Scale b finds the centre of any distance and divides it into halves.
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12" (305mm) No-Math Halving and Doubling Ruler — Scale B finds the centre of any distance and divides it into halves; use as a centre finding ruler, halving ruler, or layout ruler for woodworking
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Dual-Scale Design — No Arithmetic Required — Scale A is a standard inch ruler; Scale B is a proportional scale; lay across your work and read the proportional divisions directly without calculation
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12" (305mm) Flexible Clear PETG — works as a transparent ruler, clear plastic ruler, or flexible ruler; UV-printed markings will not fade; bends around curved surfaces without snapping like acrylic
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For Drawing, Drafting, Woodworking and Design — use as a centre finding ruler for woodworking, halving doubling ruler, or layout ruler; suits woodworkers, designers, architects, and artists
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Australian Designed and Manufactured — laser-cut on the Sunshine Coast; stocked in Australia, USA and UK for fast worldwide delivery
The no-math ruler is a dual-scale proportional ruler for drawing, drafting, architecture, woodworking, and design. Use as a fibonacci ruler, golden ratio ruler, proportional ruler, centre finding ruler, or rule of thirds ruler — all without mental arithmetic.
