Artillery cannon. 3d model of artillery cannon. 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:4,314 Vertices:4,846 Using: Open the file by double clicking the left mouse button. Thanks to everyone who watches, comments and buys my models, it's very important for me! Thanks to all.