
Smooth laminated hubs
I measured all the parts for the Icosahedron in a day, and cut them all to specs within hours. Then came the decision to notch each strut piece a certain way so as to place them onto hubs, which only takes a few hours out of a day per set. I used smooth and thin, laminated, 7-layer plywood (1/2-inch thick) for 50 hubs, so that each frame of the dome will quickly slide together; and be built in less than an hour. And that is exactly what happened the 1st time I ever built a geodesic dome.
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