This paper craft is a Constructivism themed heart decoration, designed by Margit Ammentorp. More information of the Iris at wikipedia. You can download the template here: Constructivism Themed Heart Decoration Paper Craft
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.