The segments resist wear during repeated folding, long term durability as both flexible drawing ruler and compact geometry aid for STEM education and professional toolkit Engineered with light weight yet sturdy this folding ruler geometry measuring tool features geometric drawing stencils and waving edges for technical drafting, scrapbooking, journaling project, and everyday academic use Suitable for students, architects, and engineers needing portable multifunctional geometric measurement tool, this folding ruler ensures accuracy across math assignments, blueprints, and craft application Portable Folding Ruler with construction precisely measurements in classrooms, workshops, or travel, combining compact storage with centimeter scale functionality like hollowed geometric drawing templates guide and waving pattern Perfect for sketching precisely angles in art studios or quick measurements during home renovations, its segmented designs maintains rigidity while fitting into pencil cases or drawing toolkits, Manufacturer: Obotsnoi