:name elongated triangular pyramid (J7) :number 51 :symbol @Y sub 3 @ :sfaces 7 4{3} 3{4} :svertices 7 1(@3 sup 3@) 3(@3@.@4 sup 2@) 3(@3 sup 2@.@4 sup 2@) :net 7 4 3 3 5 7 4 1 0 3 4 3 2 1 4 4 4 3 7 8 3 6 4 8 4 8 7 10 11 3 9 8 11 :solid 7 4 3 12 14 16 4 15 14 12 13 3 17 15 13 4 13 12 16 18 3 17 13 18 4 18 16 14 15 3 17 18 15 :hinges 6 1 3 2 1 2.8017557441356713 3 3 4 1 2.8017557441356713 3 0 1 2 1.0471975511965977 5 3 6 1 2.8017557441356713 5 0 3 2 1.0471975511965977 3 1 0 2 1.5707963267948966 :dih 4 3 3 3 1.2309594173407747 3 3 4 2.8017557441356713 3 3 4 1.5707963267948966 3 4 4 1.0471975511965977 :vertices 19 12 -1.5[-3/2] .288675134594813[(1/6)*sqrt(3)] 0[0] -1.5[-3/2] 1.28867513459481[(1+(1/6)*sqrt(3))] 0[0] -1[-1] 2.15470053837925[(1+(2/3)*sqrt(3))] 0[0] -.5[-1/2] .288675134594813[(1/6)*sqrt(3)] 0[0] -.5[-1/2] 1.28867513459481[(1+(1/6)*sqrt(3))] 0[0] 0[0] -.577350269189626[(-1/3)*sqrt(3)] 0[0] 0[0] 2.15470053837925[(1+(2/3)*sqrt(3))] 0[0] .5[1/2] .288675134594813[(1/6)*sqrt(3)] 0[0] .5[1/2] 1.28867513459481[(1+(1/6)*sqrt(3))] 0[0] 1[1] 2.15470053837925[(1+(2/3)*sqrt(3))] 0[0] 1.5[3/2] .288675134594813[(1/6)*sqrt(3)] 0[0] 1.5[3/2] 1.28867513459481[(1+(1/6)*sqrt(3))] 0[0] -2.2457819157813595 1.2350442191612808 -.97435580125564079 -1.9571067811865475 2.0730967005675568 -.51139283829267921 -1.788675134594812 1.5392847610921686 -1.8101135910720885 -1.5 2.3773372424984447 -1.3471506281091268 -1.288675134594812 .99495370714035125 -1.136538277017525 -1.2499999999999996 2.7787470295771005 -.46603191713002714 -1 1.8330061885466273 -.67357531405456339 :EOF .