Technical Illustrations, Continued
Technical
illustrations
(Continued)
To airbrush technical illustrations:
Step
Action
1
Make an outline drawing on paper (figure 6-42).
2
Indicated detailed shading. Make sure the drawing is correct.
3
Transfer the drawing to illustration board using graphite on the
reverse side of the drawing. The illustration board must be free of
all imperfections.
4
Ink in the line outline of the drawing.
5
Beginning from the top to bottom or left to right, cover a section
with frisket.
6
Cut the frisket with a sharp blade along the line outline of the
object (figure 6-43).
7
Approach the airbrushing of sections as you would basic shapes.
8
Allow pigment to dry.
9
Continue this procedure as many times as necessary to complete
the drawing (figure 6-44).
10
Remove all friskets.
11
Add details and highlights by hand with a brush.
12
Clean up the drawing surface.
Continued on next page
6-52
