Those frustrating bits of dust in your freshly airbrushed paint aren't caused by the airbrush or your painting technique, but by the painting environment. A clean workshop helps: Thoroughly clean and vacuum your work space to eliminate dirt and dust It's usually best to do this hours (or even days) beforehand so airborne dust can settle. If you're using a fan-powered paint booth, let it run for 15 minutes or so before you bring out your model. It'll remove a lot of the rooms airborne dust out of the room and blow it outside. Watch what you wear as you airbrush, too. Tiny fibers from your clothing can easily end up in your freshly applied finish, so an old threadbare t-shirt may be a better choice than a new sweater or flannel shirt. If your freshly airbrushed paint puddles on the model or runs off in big drips, you're letting too much paint come out of the nozzle or you're not moving the airbrush fast enough to avoid paint piling up in one spot. Keep the airbrush moving as you paint or cut back on the amount of paint in your paint/thinner mixture. Remember: It's always better to apply several thin, light coats of paint than to try and cover everything in one pass.
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