The Pattern Master Ruler 40cm - Metric is an essential sewing ruler designed to help dressmakers measure, draft, and alter sewing patterns with ease and precision.

Whether you’re adjusting a pattern, drawing curves, or marking seam allowances, this pattern master is one of the most versatile sewing rulers around. Used widely in fashion design and dressmaking, this tool combines straight edges, curves, and grading lines in one handy ruler.

Instead of juggling multiple rulers, the Pattern Master saves time by giving you everything you need in one tool. Its metric markings make it easy to measure accurately, while the curved edges help you draw smooth armholes, necklines, and hems. Perfect for home sewers who want professional-looking results.