Clear Grid Ruler & Straight Edge – Standard and Metric Measurements

A Transparent Tool for Precision, Clarity, and Hands-On Learning This clear grid ruler and straight edge combines clean lines, dual-unit measurements, and a thoughtfully gridded surface to support geometry work, crafting, and creative exploration. Made in Germany from durable 3mm-thick acrylic, this rigid 18" ruler includes both standard (inches) and metric (centimeters and millimeters) measurements. Its transparent surface features an 8x8 grid per square inch, with 16-count fine lines overlaying the grid—ideal for visualizing halves, quarters, and sixteenths in a hands-on way. Small notched cut-outs appear at every ½-inch mark, giving students and makers a practical visual guide for measuring, aligning, and centering with ease. The ruler’s clarity is especially helpful in geometry constructions and technical drawing, where precision and visibility matter most. Whether used for math lessons, art class, quilt-making, or home DIY projects, this clear grid straight edge offers a sturdy, m