Combining Forms, ContinuedDrawing formsExamine 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 inperspective.Figure 3-20 shows additional basic forms (spheres) drawn proportionately tothe first set of cubes to imply cannonballs.Figure 3-20.—Additional basic forms define thefirst set of cubes.Continued on next page3-17
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