Exocad (STL)
https://drive.google.com/drive/folders/1WET94anN-ehrIK_MlFBRgiz6VCUkzn8f?usp=share_link
3shape
https://drive.google.com/drive/folders/1QQ52WjofUSh–synmpOOvwYW8LwuFcAO?usp=share_link