The B3d Viewer accepts the following command line options:
| Option | Description | Default |
| -file | The b3d file to load | None |
| -xres | The x resolution of the viewer | 640 |
| -yres | The y resolution of the viewer | 480 |
| -bits | The bitdepth of the viewer | 32 |
| -mode | 1 = Fullscreen 2 = Window 3 = Scaled Window |
2 |
| -mouse | Mouse speed | 1.0 |
| -scroll | Mouse-Wheel speed | 1.0 |
| -move | Camera movement speed | 1.0 |
| -picktip | Display object name tooltips | 0 |
| -camnear | Camera Range Near | 1.0 |
| -camfar | Camera Range Far | 1000.0 |
| -camfov | Camera FOV | 45 degrees |
| -fps | Animation FPS | 30 |
| -project | Project Root | "" |
Example: “b3dviewer.exe -file temp.b3d -xres 800 -yres 600 -picktip 1 -mouse 1.5”