Thunder symbols voxel 2. 3d model thunder symbols. The file is created in Blender 2.79b and can be opened in any compatible packages. Archive includes files with the extensions .blend, .3ds, .fbx, .ply, .x3d, .obj, .stl. Render Blender 2.79b default. Polygons:18,228 Vertices:18,206 Using: Open the file by double clicking the left mouse button. Thanks to all.