Разгъвка на СФЕРА чрез сечения успорени на паралелите

SPHERE unfolding by sections parallel to the parallels 
(the sphere is intersect with planes parallel to the plane of the equator)

		Sketch of the dimensions
			R =    mm.   H =    mm.   N =     броя                     Password :
		The two hemispheres are symmetrical by the equator
		and the elements are respectively equal (identical).