Art Alternatives Plastic 12" Triangular Architecture Scale

Art Alternatives Triangular Architecture Scale, 12". This scale is designed to measure from reduced scale drawings, such as blueprints and floor plans, but also works as a handy all-purpose ruler. Designed with architects in mind, this scale is divided in gradations of: 3, 1-1/2, 3/4, 3/8, 3/16, 3/32, 1, 1/2, 1/4 and 1/8 inches to the foot and a scale divided 16 parts to the inch.