Lightning ball created with the geometry node function.It combines two ico spheres. One to create lightning and the other for interior.the main nodes are raycast, split edges and edge paths to curves.
BLEND (Blender, filesize: 1.59 MB), OBJ (OBJ, filesize: 12.6 MB), FBX (Autodesk FBX, filesize: 4.76 MB), STL (Stereolithography, filesize: 12.5 MB)