Tri Scale Architect 12" Plastic Studio Essentials ALVIN has been the professional's

ALVIN has been the professional's choice for drafting tools and drawing supplies for over half a century

scrapbooks

even calligraphy

This kit offers replacement tracks for the underside of the PXB drawing board

100 inches thick and optically clear to eliminate parallax and allow close pencil tolerance

Tri Scale Architect 12" Plastic Studio Essentials ALVIN has been the professional'sEasy to Use Sharp, easy to read graduations resist wear, includes both English and metric measurements. Multipurpose Scale Designed for architect, engineer, and mechanical draftsman graduations. Great for students, hobbyists, and professionals alike. Durable, Premium Material Made with a soft, satin finish from high impact plastic. Edges are tapered for comfort and ease of use. Precision Design Designed for accurate and reliable measurements and