As seen in Roy Triesscheijn’s web page
Attached is the unity version.
Just load the test scene, press play and press on “click”, and check the debug log which it finds its path from node 0,0,0 to 5,1,9
It is easy to implement a game usable version but it needs your own work for it. Good thing is, you can use it for both 2d and 3d pathfinding.
598856–21311–$Astar3D.rar (49.2 KB)