This specific 3D model, "Acrobatic Auto Circuit Low-poly 3D model purchase", is an asset made available by "Unknown author".
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BLEND (Blender, filesize: 137 MB), OBJ (OBJ, filesize: 4.3 MB), FBX (Autodesk FBX, filesize: 6.01 MB), GLTF (glTF, filesize: 98.1 MB), TEXTURES (Textures, filesize: 125 MB), DAE (Collada, filesize: 40.1 MB)