Tii Set Attimo (nke pụtara "oge") tii ka a na-eji china nwere mgbidi dị obere klaasị nke mbụ. Ihe atụ nke ọdịdị ihe bụ oge nkwụsịtụ. Nkume aka na-adaba n'elu ala dị larịị nke poselin ahụ, wee mepụta " okirikiri na mmiri." na-agba ọsọ n'akụkụ ihe ahụ. Ya mere, aka ọ bụla maka aka bụ aka maka oge oyi kpọnwụrụ. Ụdị asymmetric a dị mgbagwoju anya nke ihe ọrụ na-esi ike karịsịa mgbe etinyere ya na poselin. Otú ọ dị, iji usoro aka oghere, mgbazi ngwa ngwa nke nrụrụ ọkụ, mere ka o kwe omume iji nweta ezigbo geometry.