Using a double-action airbrush

Figure 6-4.Varying the spray pattern. - 14262_293

Figure 6-5.Holding and moving the airbrush. - 14262_295

Illustrator Draftsman 3 & 2 - Volume 3 Executionable Practices
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Airbrushes, Continued Double-action Adjust the spray of double-action airbrushes before use. After adjustment, airbrushes control the spray pattern by how far back you pull the finger lever (pigment (Continued) flow) or increasing or decreasing the distance between the airbrush and paper. Setting the adjustment screw, located on the side of the airbrush near the finger lever, makes the flow of pigment constant. The double-action airbrush then works like a single-action airbrush and only requires the depression of the finger lever to release air. To adjust the spray pattern of double-action airbrushes: Step Action 1 Turn off fluid control at the nozzle. 2 Hold the airbrush ½ inch in front of a scrap of paper. 3 Depress the finger lever and slowly open the nozzle (fluid control) until a wisp of color appears. 4 To make the spray patten wider, continue to open the nozzle. Using a double- Three distinct motions control and coordinate the use of double-action action airbrush airbrushes. During these three actions, keep your hand and arm in motion until the end of a stroke. At the end of a stroke, allow the finger lever to move forward to stop paint flow, then , release the lever to stop the air. Each action must follow the others closely. The entire movement should be slow, smooth, and steady. Move the whole arm across the paper from the shoulder, not the wrist. Do not dip your hand, turn your wrist, or change the angle of the brush. Begin working about 8 inches above and at a 90° angle to the paper surface. Continued on next page 6-7

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