S=[0 0 0
   1 0 0
   1 5 0
   0 5 0
   0 5 1
   1 5 1
   0 1 1
   1 1 1
   1 1 4
   0 1 4
   0 0 5
   1 0 5
   -4 5 0
   -4 5 1
   -4 4 1
   -4 4 0
   0 4 1
   0 4 0];
F=[7 2 3 6 8 9 12 2
   7 1 18 17 7 10 11 1
   5 1 2 12 11 1 0 0
   5 1 2 3 4 1 0 0
   5 3 4 13 14 3 0 0
   7 7 8 6 14 15 17 7
   5 7 8 9 10 7 0 0
   5 9 10 11 12 9 0 0
   5 13 14 15 16 13 0 0
   5 15 16 18 17 15 0 0];
subplot(1,2,1)
plot3(0,0,0)
hold on
dessine3d(S,F,'r',hot(12))
view(45,35)
% axis on
hold off
subplot(1,2,2)
plot3(0,0,0)
hold on
dessine3d(S,F,'r',hot(12))
% axis on
hold off
set(gcf,'renderer','zbuffer')
