:name pentagonal dipyramid (J13) :number 57 :symbol @Y sub 5 @ :sfaces 10 10{3} :svertices 7 5(@3 sup 4@) 2(@3 sup 5@) :net 10 3 3 4 3 6 3 3 5 6 3 3 2 5 3 6 8 9 3 6 5 8 3 8 5 7 3 3 4 1 3 9 8 11 3 2 3 0 3 8 7 10 :solid 10 3 3 15 14 12 3 14 13 12 3 14 17 13 3 12 16 15 3 12 13 16 3 16 13 17 3 14 15 18 3 15 16 18 3 17 14 18 3 16 17 18 :hinges 9 0 1 1 2 2.4118649973628269 1 0 2 2 2.4118649973628269 1 1 4 0 1.3047162795687364 4 1 5 0 2.4118649973628269 4 2 3 0 2.4118649973628269 6 0 0 0 2.4118649973628269 7 0 3 1 2.4118649973628269 8 0 2 0 2.4118649973628269 9 0 5 2 2.4118649973628269 :dih 2 10 3 3 2.4118649973628269 5 3 3 1.3047162795687364 :vertices 19 12 -1.15470053837925[(-2/3)*sqrt(3)] -1[-1] 0[0] -1.15470053837925[(-2/3)*sqrt(3)] 0[0] 0[0] -.288675134594813[(-1/6)*sqrt(3)] -1.5[-3/2] 0[0] -.288675134594813[(-1/6)*sqrt(3)] -.5[-1/2] 0[0] -.288675134594813[(-1/6)*sqrt(3)] .5[1/2] 0[0] .577350269189626[(1/3)*sqrt(3)] -1[-1] 0[0] .577350269189626[(1/3)*sqrt(3)] 0[0] 0[0] 1.44337567297406[(5/6)*sqrt(3)] -1.5[-3/2] 0[0] 1.44337567297406[(5/6)*sqrt(3)] -.5[-1/2] 0[0] 1.44337567297406[(5/6)*sqrt(3)] .5[1/2] 0[0] 2.3094010767585[(4/3)*sqrt(3)] -1[-1] 0[0] 2.3094010767585[(4/3)*sqrt(3)] 0[0] 0[0] 1.1347628632941689 -.48011669953830608 -1.8962319873526865 1.434472722690041 -1.281495238141036 -1.3785772394290733 1.8322652296652611 -1.0881358668658048 -2.2754458334462891 1.9324925221105107 -.096929658732437591 -2.3618445765330058 2.025489887918716 -.47730995334491697 -1.4417020215866225 2.4174332613764841 -1.3935873720463746 -1.5242615999548403 2.7252264244887405 -.66148558206864837 -2.131954234312672 :EOF .