Technical Illustrations, ContinuedTechnicalillustrations(Continued)To airbrush technical illustrations:StepAction1Make an outline drawing on paper (figure 6-42).2Indicated detailed shading. Make sure the drawing is correct.3Transfer the drawing to illustration board using graphite on thereverse side of the drawing. The illustration board must be free ofall imperfections.4Ink in the line outline of the drawing.5Beginning from the top to bottom or left to right, cover a sectionwith frisket.6Cut the frisket with a sharp blade along the line outline of theobject (figure 6-43).7Approach the airbrushing of sections as you would basic shapes.8Allow pigment to dry.9Continue this procedure as many times as necessary to completethe drawing (figure 6-44).10Remove all friskets.11Add details and highlights by hand with a brush.12Clean up the drawing surface.Continued on next page6-52
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