assimp
命令手册Command-line client for the Open Asset Import Library. Supports loading of 40+ 3D file formats, and exporting to several popular 3D formats. More information: http://www.assimp.org/.
assimp listext
assimp listexport
assimp export {{input_file.stl}} {{output_file.obj}}
assimp export {{input_file.stl}} {{output_file.obj}} {{parameters}}
assimp info {{path/to/file}}
assimp help
assimp {{subcommand}} --help