Two--fold axis of tetrahedron, surface view

This html page contains an applet which calls on JavaView to display a model of the tetrahedron with its 2--fold axis displayed.

Press right mouse button to select major interaction mode from popup menu, or use keyboard keys to temporarily switch between different modes (just keep a button pressed to switch mode temporarily). Some essential modes are:

• Rotate surface (this Orbit mode is the default mode)
• s Scale surface, drag in vertical direction
• t Translate surface in viewing plane
• r Reset camera and display, object returns to default position
• F1 or Ctrl-s or Right-Mouse : Show control window