:name triangular dipyramid (J12) :number 56 :symbol @Y sub 3 @ :sfaces 6 6{3} :svertices 5 2(@3 sup 3@) 3(@3 sup 4@) :net 6 3 3 2 1 4 3 1 3 4 3 1 0 3 3 4 6 7 3 4 3 6 3 6 3 5 :solid 6 3 3 9 11 8 3 11 12 8 3 11 9 12 3 8 10 9 3 8 12 10 3 10 12 9 :hinges 5 0 1 1 2 1.2309594173407747 1 0 2 2 1.2309594173407747 1 1 4 0 2.4619188346815493 4 1 5 0 1.2309594173407747 4 2 3 0 1.2309594173407747 :dih 2 3 3 3 2.4619188346815493 6 3 3 1.2309594173407747 :vertices 13 8 -.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] .57735026918962626 -2.0000000000000001 -3.2252846227098786e-15 .86602540378443811 -2.4999999999999963 -.81649658092773048 .86602540378443607 -1.4999999999999973 -.81649658092772377 1.1226255234242751 -2.833333333333333 .090721842325292936 1.5396007178390016 -1.9999999999999962 -.27216552697591542 :EOF .