Geodesic dome hubs

Geodesic domes - even people who don't want to live in one think them beautiful. Who doesn't admire Epcot's architecture?

This is another hub to join the struts that form a geodesic dome. This one uses common drinking straws as the struts, and builds a dome about 3/4 meter in diameter.

This design's distinctive feature is the hubs' swivel arms. Fixed-angle hubs can only be used in the architecture for which they were designed, but a varying-angle hub like this can be used in different geod