This specific 3D model, "Carved Picture Frame 3D model 34", is an asset made available by "Unknown author".
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The licensing terms for this digital asset are governed by "Unknown license".
STL (Stereolithography, filesize: 132 MB), OBJ (OBJ, filesize: 236 MB), FBX (Autodesk FBX, filesize: 74.6 MB), MAX (Autodesk 3ds Max, filesize: 217 MB)