poly3d -z
poly3d axes.dat
poly3d cube.dat cube-per.mat
poly3d -c -N cube.dat
poly3d points.dat
poly3d -c solid1.dat
poly3d -M saddle.dat
poly3d -M- -P -I 20 saddle.dat
poly3d -S 6 pawn-crv.dat
poly3d -M- -S 5 wiggle.dat
poly3d -M- -P -4 -I 20 wiggle.dat