Can Tsunami be used with C# and Rhino as
https://vimeo.com/291056935 ?
No, but you could probably host RoslynPad in Rhino to have C# scripting https://github.com/aelij/RoslynPad
No, but you could probably host RoslynPad in Rhino to have C# scripting https://github.com/aelij/RoslynPad