The Drafting Board Blog

Drafting triangles may look simple, but they are some of the most useful tools on a drafting table. They help students and professionals draw straight vertical lines, accurate angles, and evenly spaced parallel lines without measuring every angle with a protractor. The two standard types are the 30°/60° triangle and the 45° triangle, sometimes called a 45°/90° triangle. Although both include a 90-degree angle, they are not interchangeable. Each creates different angles, and …