Could you share the full demonstration code?

Hi, I saw the original video and it's really amazing, but when I tried to play locally, I only saw a simple cube.

Many people may have the same problems when runing this project at first sight.

Could you share the full demonstration code?

See also https://github.com/bgstaal/multipleWindow3dScene/issues/17#issuecomment-1827214209, https://github.com/bgstaal/multipleWindow3dScene/issues/10.