This amazing papercraft is an Automata Gear Heart, designed by Haruki Nakamura. The gear heart is composed of 9 pieces of 10-cog, and 3 pieces of 15-cog; in total, 12 gears. 10-cog returns to the same position after 3 rotations.
In the same time, 15-cog makes 2 rotations. 10-cog makes a rotation with one rotation of handle. Therefore, 3 rotations make to regain the original figure.You can download the papercraft template here: Automata Gear Heart Free Papercraft 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.