Making Cookie Cutters

http://sues-news.com/2009/08/29/make-your-own-polymer-clay-cutters/

http://www.instructables.com/id/make-your-own-cookie-cutters/
This tutorial shows the tools that were used in making more hefty cookie cutters, but you'll get an idea of the type of tools you may use. Scale the tools down if you're making mini cookie cutters.

http://whatscookingamerica.net/PegW/CookieCutters.htm
Here's a good tutorial because Peggy starts out at the tip, in red bold letters, be careful!

http://blog.jugglingfrogs.com/2007/10/make-your-own-cookie-cutter-from-clip.html
Now this tutorial is for those of us who are making things out of the stuff we have in our kitchen: aluminum foil, disposable roasting pan, regular sissors.