First , i using python==3.7, [Python FBX SDK](https://www.autodesk.com/developer-network/platform-technologies/fbx-sdk-2020-3), in windows. you should change this line: [`fbxReadWrite.writeFbx(output_dir, pkl_name)`](https://github.com/Stanford-TML/EDGE/blob/17c3428669ed6733edd9d8c66f7dc62060b8e46d/SMPL-to-FBX/Convert.py#L46) to: ``` baseName = os.path.basename(pkl_name) fbxReadWrite.writeFbx(output_dir, baseName) ```