There is also a really nice haptic device design based on this principle: http://www.cim.mcgill.ca/~haptic/devices/pictures/Pantograph.html http://www.cim.mcgil

There is also a really nice haptic device design based on this principle: http://www.cim.mcgill.ca/~haptic/devices/pictures/Pantograph.html http://www.cim.mcgill.ca/~haptic/devices/pictures/Pantograph...