poly3d-h -z
poly3d-h -b -m cube.dat > cube.hdn
poly3d-h -b -m solid1.dat > solid1.hdn
poly3d-h -b -m solid3.dat > solid3.hdn
poly3d-h -b -m cone-cyl.dat > cone-cyl.hdn
poly3d-h -f 5 -e 1 -4 saddle.dat > saddle.hdn
poly3d-h -f 5 -e 2 -4- wiggle.dat > wiggle.hdn

poly3d cube.hdn
poly3d solid1.hdn
poly3d solid3.hdn
poly3d cone-cyl.hdn
poly3d saddle.hdn
poly3d wiggle.hdn