Drawing aids, Continued
Triangles
(continued)
Adjustable
triangles
Figure 2-44 shows two standard triangles.
Figure 2-44. —Drafting triangles.
Use an adjustable triangle for drawing lines inclined at irregular angles to the
horizontal. This type of triangle has a set of scales for measuring off an
angle and a thumbscrew for setting the angle. Care for an adjustable
triangle as you would other triangles.
Figure 2-45 shows an adjustable triangle.
Figure 2-45. —An adjustable triangle.
Continued on next page
2-38
