Copyright laws can be enforced even against non-commercial misuse. For example, people widely share copyrighted material (videos, music, software, etc.) online with no intention of profiting from it, and the copyright holders will still often respond with and succeed in legal action.
The craneās nest is a different shape: see Crane's Nest Tesuji at Sensei's Library.
The move shown in my photo above is known as the āTrebuchet Tesujiā:
https://senseis.xmp.net/?TrebuchetTesuji
Yes, I do, and it is indeed glorious.
Hereās another picture of just the trebuchet:
Yes, itās real, but I had hastily applied a filter via Google Photos, which may have turned out strange. Hereās the original image:
I have more pictures of just my go equipment in another post:
Both photos in this post and the three photos in (Show your Goban/Study Space! - #12 by yebellz) are CopyLeft by yebellz, released under CC BY-NC-SA 4.0 .