Combining Forms, Continued
Drawing forms
Examine the object for basic forms. Sketch the basic forms on the drawing.
Forms may overlap, invert, or have slight variations. Draw only forms.
Figure 3-19 shows basic forms used to draw a cannon.
Figure 3-19.—Basic forms drawn in
perspective.
Figure 3-20 shows additional basic forms (spheres) drawn proportionately to
the first set of cubes to imply cannonballs.
Figure 3-20.—Additional basic forms define the
first set of cubes.
Continued on next page
3-17
