Alvin - Olfa - Compass Cutter - The Olfa Compass Cutter by Alvin comes complete with five spare blades. Draws or cuts circles up to 6 inches in diameter. The Olfa Compass Cutter cuts circles as small as 1 cm in diameter from paper, wallpaper, vinyl sheets, film, and other thin materials. Alvin is one of the primary sources for drafting supplies and drawing equipment in the country. Creative Coldsnow is a pround retailer of Alvin graphic arts, drafting and fine arts products.