clf
// (1,0), (cos(2*%pi/3),sin(2*%pi/3)) (cos(4*%p/3),sin(4*%pi/3)) (0,0,z)
// z = sqrt(3)/2
param3d([1,cos(4*%pi/3)],[0,sin(4*%pi/3)],[0,0]);
p=get("hdl"); p.foreground=5;
param3d([1,cos(2*%pi/3)],[0,sin(2*%pi/3)],[0,0]);
p=get("hdl"); p.foreground=5;
param3d([cos(4*%pi/3),,cos(2*%pi/3)],[sin(4*%pi/3) ,sin(2*%pi/3)],[0,0]);
p=get("hdl"); p.foreground=5;
param3d([1,0],[0,0],[0,sqrt(3)/2]);
p=get("hdl"); p.foreground=5;
param3d([cos(4*%pi/3),0],[sin(4*%pi/3),0],[0,sqrt(3)/2]);
p=get("hdl"); p.foreground=5;
param3d([cos(2*%pi/3),0],[sin(2*%pi/3),0],[0,sqrt(3)/2]);
p=get("hdl"); p.foreground=5;
title('$\mbox{Tetrahedron } V=4, E=6, F=4, F_{\mbox{deg}} =3, V_{\mbox{deg}} = 3, \mbox{ Fire}$','fontsize',4);
a=gca(); a.box="off"; a.isoview="on";
tmp=a.x_ticks; tmp.labels=[]; tmp.locations=[];
a.x_ticks=tmp; xlabel("");
a.y_ticks=tmp; ylabel("");
a.z_ticks=tmp; zlabel("");
a.axes_visible=["off","off","off"];

xs2pdf(0,'tetra.pdf');
