The brass knuckles skull model is one-piece, with high-quality detailed design. The file is created in 3ds Max 2015/2018 and can be opened in any compatible packages. Archive includes files with the extensions .fbx, .obj, .stl and .max with V-Ray materials. Model does not include any backgrounds or scenes used in preview images. The model is optimized for 3D printing .stl Dimensions: X – 41.76 mm; Y – 85.55 mm; Z – 9.04 mm.