This model is under CC Attribution License 4.0. It originates at https://sketchfab.com/3d-models/hand-and-a-half-sword-a731ae9e174946c2899fa3772e50aa17 and is attributed to user datucarl. An MTL file was not present with the OBJ and texture maps and was authored by Open3D team. No other changes have been made to the model. 
