Model originally uploaded to Thingiverse at https://www.thingiverse.com/thing:3208183.

a simple connector system for constructing geodesic domes. connect 3 struts up to infinity, lol, but usually 3, 5,6 are the most common. use the bs and the bf for each strut. struts need to be appx. 1.4 inch

no supports. i suggest high infill as the parts are small for 1/4 inch struts.