Polygon Construction Toys
thingiverse
These snap-together shapes comprise triangles and pentagons, accompanied by OpenSCAD source files. Printed examples are from a Makerbot Replicator 2; adjust nub size for other printers or materials. Inspired by but not compatible with these Thingiverse designs: http://www.thingiverse.com/thing:51465 & http://www.thingiverse.com/thing:5961. Also, find it on GitHub (https://github.com/longears/polygon-construction-toys) and Shapeways (http://www.shapeways.com/model/1112999/polygon-toys-triangle.html, http://www.shapeways.com/model/1113000/polygon-toys-pentagon.html), albeit pricey.
With this file you will be able to print Polygon Construction Toys with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Polygon Construction Toys.