Heart with Swans, is a middle complicated paper folding model, folded from an uncut duo-colored (red front & white back) square sheet of paper, through around 50 folding steps. The result's size is around 40% of the square's length. The contrast colors belong to color change technique, i.e. using original colors on paper's two sides. Its Chinese name is the idiom Xin-Xin-Xiang-Yin (Heart & Heart Match Each-other).