COLOR: BLACK. The supplied print is black; render colors are illustrative. Keep rulers and drawing triangles upright without leaning across the desk. DIMENSIONS Two tall slots 36 × 4.5 mm and broad rear slot 80 × 5 mm. CONTENTS 1 printed pieces: 1 × ruler triangle tower. Material: PLA. SUPPLY SEPARATELY Rulers or triangles up to 3.5 mm thick. USE AND ASSEMBLY Insert a bottom corner gently, keep long rulers against rear spine and use on a level desk. Images are renders of the actual CAD. Geometry and reference slicing checked digitally; physical fit, finish and service life have not been established by those checks. Printed to order. Shipping and taxes are calculated at checkout. Design: João Lutz / JoaoLutzFilm, with AI assistance.