| 3d_type = zip <!-- 'step' or 'x_t' for separated 3D files (.pdf and either step or x_t); 'zip' for zipped archive of both 3D files--> | | 3d_type = zip <!-- 'step' or 'x_t' for separated 3D files (.pdf and either step or x_t); 'zip' for zipped archive of both 3D files--> |