Similar Vectors Pentagons 29 2 16 Pentagons Decagram Plain 21 2 11 Round Pentagons 26 3 14 Pentagons and Stars 17 2 9 Icosagon 31 2 17 September 24 2012 Icosagon 11 1 5 Icosagon Connections 19 2 10 Dented Pentagons 19 2 10