This is a tutorial on a ninja star that i have made from a CD. hope this works for you.
Step 1: Materials
3. Tape (electric or duct)
5. template (below)
Step 2: Getting started
First cut the template out and draw it of the CD. Then start cutting out the CD but with care remember no need to rush.
Step 3: Taping
now apply tape to the middle section as seen in the image and then your done.
Step 4: Throwing !!!!!
what ever stencil you use will work and be creative.