Imagery is so important in stimulating behavior. After reviewing a number of different icons and sanded metal imagery online I mashed up this file. Without a doubt this is a must have file even if its only for tutorial purposes. Gears PSD is obviously built in...
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I was working on a project and created these icons. Feel free to use them but you can not resell them. This file was created in Adobe Illustrator. Get some free people icons.