I am very skeptical about this, however, in the interest of staying open minded, I feel obliged to challenging my own convictions here and ask the question :
Can one build a dome ( or a part of a dome) from perfectly equal structural members ? I.e. all the struts used in construction must have exactly the same lengths.
Based on my humble understanding of Euclidean geometry, this is not possible, but I would welcome any thoughts on the subject that would otherwise challenge my understanding.
In my research I came a cross geodesic domes, and I now know that even geodesics domes don't have equal members ( well, they have sets of equal members based on the number of subdivisions of the triangular surfaces of an icosahedron )
If for example you wanted to make a hexagonal grid on the surface, I found it is actually possible to use equal edge lengths (though a hexagonal grid wouldn't be structurally stable unless the connections are made rigid, and the angles would still vary, so I'm not sure how useful this is).
Daniel Hambleton
Check out zonohedra or minkowski sums...
Apr 25, 2012
Rémy Maurcot
Hi heider,
Perhaps a picture or diagram rendrais understanding of your message simple.
But i Thinks is possible to divide a dome to equal lenght.
Apr 25, 2012
Daniel Piker
Hopefully my answer here is useful:
http://www.grasshopper3d.com/xn/detail/2985220:Comment:141774
That just applies to triangles though.
If for example you wanted to make a hexagonal grid on the surface, I found it is actually possible to use equal edge lengths (though a hexagonal grid wouldn't be structurally stable unless the connections are made rigid, and the angles would still vary, so I'm not sure how useful this is).
Apr 26, 2012