The Design Inspiration has just released a set of “Icons for Designers“. You will find the icons including Illustrations, parinting, Fonts, 3D, Photography, Drawing, Vectors, Palette, Sketchbook and Printer. All icons are 64×64px in PNG format. You are free to use them on both personal and commercial projects.

Requirements: -
Demo: http://thedesigninspiration.com/articles/10-free-useful-icons…
License: License Free