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.