How to make a three-way grid along a hemisphere.
I am looking for a way to construct a triangle with three directional grids intersecting, as shown in the figure.
If you look at the figure from above, you can see that one direction is placed horizontally, and the other two directions are slightly curved.
How can I make this in grasshopper or Rhino? This diagram was posted on the internet, and it didn’t say anything about how to make it.