This research deals with generation of double curvature forms with a single module: an equilateral triangle. Keywords: dome, geodesic, engineering, invention, discovery, find out, geometry, cupola, coupole, network, strut, connector, node, hub, building, space, structure, architecture, triangle, equilateral, identical, double curvature, doubly curved surface form, Lobel, form, business, venture capital

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Family C6
Generalities

Family C6 can be divided into several sub families.


The first important division: folded forms called PLIO and non-folded forms called PLIN.


The second subdivision concerns the radius angle:
Counted horizontally: RAYH Counted frontally: RAYF
The third subdivision concerns the edge angles as in Family C3 :
Horizontally projected edge : RIVH Frontally projected edge : RIVF
The following drawings explain this classification system better than words.