Course Material for ART 315
The Alumicolor Straight Edge is really two rulers in one. The front side is calibrated in inches and millimeters while the back has center-finding calibrations in inches. Featuring ultra-smooth edges and photo anodized markings that are resistant to cleaners and will not rub off. Made of sturdy, rigid aluminum. The 12", 15", 18" and 24" rulers are 1/16" thick by 1-1/8" wide. The 30" and 36" rulers are 1/8" thick by 1-1/4" wide.