Basic Curvilinear Geometric Forms:
The three families of curved primary Geometric volumes are:
• Ellipsoid / Sphere
• Cylinder
• Cone

All three curvilinear massive volumes have equal parameters for height and diameter. The other volumes show how the primary volumes vary in general proportions: extensional, superficial and massive.

Three Sections of Volume in X –Y – Z axis:
• Geometric Planes derived from all Ellipsoidal / Spherical volumes are circles and ellipses.

• Geometric planes derived from cylindrical families are Circle /ellipses and Squares and Rectangles.
• And those from the conical family are circles/ellipses and triangles.