Blintz Icosidodecahedron by Tung Ken Lam
Number of units: 30 (6 colors, 5 pieces per color).
Designer: Tung Ken Lam
Here (pdf). To get started with models like these, check out How to Make Intersecting Plane Models.
Individual modules are simple. Took me about 3 hours to finish. The overall design is `six intersecting pentagons', one pentagon per color. Each star is in a plane -- notice the star made by green paper in the picture.