We found the ratio of the struts and string on http://www.xozzox.com/objects.html.
Intention: Make a tensegrity for exhibition.
Actor: Me
Act: Cutting, measuring,...
Rule: The length of the struts must be same, the length of the string must according to the ratio.
Product: A 3-struts tensegrity
Place: Will be exhibit with the dymaxion globe in Studio 100.