For this tutorial, you could use large and small plastic bottles,scissors,paint,cutter,a candle.
Step 1. You draw a butterfly on a sheet paper.
Step 2. You cut the shape
Step 3. You support the shape on plastic bottle
Step 4. Now, you cut the plastic bottle
Step 5. With a candle I model the plastic butterfly
Step 6. After you paint the plastic butterfly with colors glue and glitter.