把特定格式的3D模型显示出来，并且能用键盘和鼠标控制。3D文件已包含在压缩包里（abc.obj。-The specific format of 3D model is displayed, and can use the keyboard and mouse control. 3D document has been included in the compression bag (abc.obj.

OBJ模型文件转为PBRT格式的工具。PBRT渲染器使用。-OBJ model file to PBRT formats. PBRT renderer to use.