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Dont know whst happened to my sketch... will try again
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Sorry I am getting into a right mess... that is a very old sketch.
Lets try again.
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More than a year has passed since I successfully completed, with a great deal of help from the forum, my 3v Icosahedron model.
I am now considering making the 4v form ... but will again need help with the dihedral angles.
I have the cord factor and angles for all the individual triangles .... quoted in Borin Van Loon's book 'Geodesic Domes' but do really need some help with the all important dihedral angles.
Can anybody help me please?
Soapy Joe
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