Low poly brain symbol 11. Low polygonal 3d model brain symbol. The file is created in Blender 2.79 and can be opened in any compatible packages. Archive includes files with the extensions .blend, .3ds, .fbx, .ply, .x3d, .obj, .stl. Render Blender 2.79 default. Polygons:801 Vertices:1,194 Open the file by double clicking the left mouse button. Thanks to all.