Ha-ha-ha-, try to build ONE n-gon with ONE vertex. LOL.

LOL, you'll need at least a 500 page tutorial for that. LOL.

Poser 1, 2, 3, 4, 5, 7, P8 and PPro2010, P9 and PP2012, P10 and PP2014 Game Dev
"Do not drive faster then your angel can fly"!