Low poly key 1. Low-polygonal 3d model of the key. 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. Render Blender 2.79 default. Polygons:336 Vertices:354 Using: Open the file by double clicking the left mouse button. Thanks to all.