Here are three simple paper helicopters from aeroasahi original website. The first one is MD 902, and the second is a Kawasaki BK117C-2, the last one is AS350B3. There is also a bonus paper model named C560.
You can download the helicopter paper models here: 3 Paper Helicopters Free Aircraft Paper Models Download
For this paper model, we recommend that you use the material (Paper, Paint, Glue, etc.) to make. Here are Great Deals, and here are 100s of card making ideas. There is FREE sewing patterns that you may need.