:name truncated tetrahedron :number 9 :symbol t{3,3} @T sub 3 @ :dual triakis tetrahedron :sfaces 8 4{3} 4{4} :svertices 12 12(@3@.@6 sup 2@) :net 8 6 6 2 0 1 4 7 5 3 1 3 4 3 8 7 10 6 7 4 6 9 11 10 6 12 10 11 14 17 15 3 11 13 14 3 18 17 20 6 17 14 16 19 21 20 :hinges 7 0 2 1 2 1.9106332362490186 0 3 3 0 1.2309594173407747 2 1 3 5 1.9106332362490186 4 1 3 4 1.2309594173407747 4 2 5 2 1.9106332362490186 6 1 7 5 1.9106332362490186 7 0 4 3 1.2309594173407747 :dih 2 12 3 6 1.9106332362490185 6 6 6 1.2309594173407747 :vertices 22 -1[-1] 0[0] 0[0] -.5[-1/2] -.866025403784439[(-1/2)*sqrt(3)] 0[0] -.5[-1/2] .866025403784439[(1/2)*sqrt(3)] 0[0] 0[0] -1.73205080756888[-sqrt(3)] 0[0] .5[1/2] -.866025403784439[(-1/2)*sqrt(3)] 0[0] .5[1/2] .866025403784439[(1/2)*sqrt(3)] 0[0] 1[1] -1.73205080756888[-sqrt(3)] 0[0] 1[1] 0[0] 0[0] 1.5[3/2] .866025403784439[(1/2)*sqrt(3)] 0[0] 2[2] -1.73205080756888[-sqrt(3)] 0[0] 2[2] 0[0] 0[0] 2.5[5/2] -.866025403784439[(-1/2)*sqrt(3)] 0[0] 2.5[5/2] .866025403784439[(1/2)*sqrt(3)] 0[0] 3[3] -1.73205080756888[-sqrt(3)] 0[0] 3.5[7/2] -.866025403784439[(-1/2)*sqrt(3)] 0[0] 3.5[7/2] .866025403784439[(1/2)*sqrt(3)] 0[0] 4[4] -1.73205080756888[-sqrt(3)] 0[0] 4[4] 0[0] 0[0] 4.5[9/2] .866025403784439[(1/2)*sqrt(3)] 0[0] 5[5] -1.73205080756888[-sqrt(3)] 0[0] 5[5] 0[0] 0[0] 5.5[11/2] -.866025403784439[(-1/2)*sqrt(3)] 0[0] :EOF .