The file is created in 3ds Max 2018 and can be opened in any compatible packages.Archive includes files with the extensions .3ds, .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 .stlX - 26.21 mm; Y - 31.37 mm; Z - 8.00 mm.