This specific 3D model, "Building exterior design 3D model purchase", is an asset made available by "Unknown author".
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Usage of this 3d asset is subject to the "Unknown license" agreement.
STL (Stereolithography, filesize: 113 MB), OBJ (OBJ, filesize: 274 MB), BLEND (Blender, filesize: 262 MB), FBX (Autodesk FBX, filesize: 95.6 MB)