this instructable will show how to make a stencil out of any image. i know that you may have seen how to do this before on the make website or other places but all of those methods require you to buy Photoshop this method is similar but free and it only uses one stencil.
Step 1: download the gimpshop
the gimpshop is a free software alternative to photoshop go to gimp download and download the GTK first then gimp shop. i have down loaded this and its safe but i am not responsible for any computer damage that happens when after or before you down load this file.