With these tiles the rhombic Penrose Tiles can be freely intermixed with the Kite&Dart Penrose Tiles.

These are compatible to the rhombic penrose tile set.http://www.shapeways.com/model/132549/penrose_tiles___13_skinny_rhombs___part_1_of_2.html?gid=...

You need 21 kites too to have a complete set.

Background information:http://en.wikipedia.org/wiki/Penrose_tiles You need the 21 fat rhombs too (preferably in an other color) to have a complete...

Background information:http://en.wikipedia.org/wiki/Penrose_tiles You need the 13 skinny rhombs too (preferably in an other color) to have a compl...

One fat and one skinny Penrose-Tile.They have holes inside the grasping knobs, so that they can be put on a thread.If you want a set by those two i...