About this 3D model

svg files for triangles, squares, pentagons, and hexagons. They assume 11.5 inch x 8.5 inch surface, with 72.0 ppi. The hinges by which the pieces fit together are sized for 3/16 inch 2-sided corrugated cardboard pads. 2plex = 2 dimensional simplicial complex. Video: http://www.youtube.com/watch?v=9uRYNzwCXp8