backgrounds. By previewing your icons in this manner, you will be able to spot any stray pixels or bad anti-aliasing. Sometimes what looks good against a white background can show up as a light gray pixel on a black background. With all icon designs, testing against a variety of background shades is extremely important.
Vector icons by tabsicons.com.
Pathfinder The Pathfinder tool will allow you to easily make shapes for glyphs and icons without having to draw them from scratch. The best use of the Pathfinder is in merging shapes together and cutting parts out.