Hi, Supposed I want to create 2 pentagons in 3d. I can create 2 zones with jmax=5, imax=1, kmax=1, itot =5 with the coordinates of the 1st pentagon in zone 1 as px(1:5,1),py(1:5,1) and pz(1:5,1), while in zone 2 as px(1:5,2),py(1:5,2) and pz(1:5,2). however, what if I have 1000+ pentagons. I don't t...