If you have never soldered before please check this out.
A small square of 22 gage sheet metal. I bought a 22 gage sheet at the hardware store for about $8.00.
Step 1: Draw out your butterfly
Once you have your design, retrace the perimeter of the wing with moderate pressure. This will cause your drawing to separate from the rest of the paper. Now you have a stencil for your butterfly wing.
Step 2: Cut and shape
Remove any coating from the metal with sand paper or a rotary tool bit.
Place the wings together and clamp them in locking pliers. Join the wings with solder. By doing this the wings will be a mirror image of each other after you separate them again.
Use what ever method you prefer to shape the wings. I used a combination of my scroll saw, a rotary burr, and needle files.
Once the wings have reached your desired shape, use a torch to separate them. Both wings will have excess solder on them. To remove the majority of the excess, I held each wing with pliers in the torch flame and scraped the molten solder off with a razor blade.