I think that it is impossible to create (in SH3D) geodesic dome that has wall properties. That is because walls in SH3D are always vertical.
And this means that you can not build geodesic dome (for example) with triangular wall pieces.
Otherwise walls can be even ring-shaped (two arcs 180 degrees each or 90 +270 degrees (270=max. value for arc) and so on..)
If you don't need to add doors and windows, you can download domes from 3D Warehouse (https://3dwarehouse.sketchup.com/search/?q=dome).
You can also create ring-shaped wall and add that dome on top of it if that exact shape is not absolute requirement.
Hope that I have understood your meaning right..
Seppo
