Pattern for a 4 frequency class-II geodesic dome. Only 3 strut lengths required. Also, just 3 unique panels. The blue is an equilateral triangle and the orange and green are isosceles. By Robert Clark.
The Garden Igloo Kit. in a few different versions. could be a greenhouse +/or alternative to tent accommodations to house a few more summer retreatants. not particularly cost effective though, in my humble view.