10 cm Triangular Ruler - Precision Geometry Tool for Students & Drafters #3514882 (License: Personal Use)

This high-contrast, light-blue transparent triangular ruler measures up to 10 cm along its longest edge, marked in millimeters and centimeters. It includes a solid dark gray right triangle inset near the upper-left corner, aiding visual alignment and angle estimation. The ruler’s clean design supports accurate line drawing, angle measurement, and geometric construction in educational and professional drafting contexts.

Commonly used in K-12 math classrooms, engineering labs, architecture studios, and DIY projects where precise angles and measurements are required; matches user intent for purchasing or learning about geometry tools.