12" No-Math Fibonacci Ruler — Scale B laid out in Fibonacci proportions (1, 1, 2, 3, 5, 8, 13); use as a fibonacci ruler, golden ratio ruler, or fibonacci drawing tool without arithmetic
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
12" 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 unlike brittle acrylic — PETG flexes under pressure and recovers its shape
For Drawing, Drafting, Architecture, Woodworking and Design — use as a fibonacci ruler, golden ratio ruler, proportional ruler, or layout ruler; suits artists, designers, architects, and makers
Australian Designed and Manufactured — laser-cut on the Sunshine Coast; stocked in the USA and UK for fast Amazon fulfillment
