do the correct nonPlanarAngle on first draw for outline.
do the correct nonPlanarAngle on first draw for outline.

MatterHackers/agg-sharp,mmoening/agg-sharp,mmoening/agg-sharp,mmoening/agg-sharp,larsbrubaker/agg-sharp,jlewin/agg-sharp,LayoutFarm/PixelFarm