Rigid-Body mechanics Instant Screw of rigid-body motion - example H Unit Cube H e B C E A Seek: L Q=00 100Rigid-Body Mechanics • Instant Screw of Rigid-Body Motion - Example e'1 = e3 e'2 = -e1 Q = e'3 = -e2 z x A y B C D E F G H A' B' C' D' E' F' G' H' e1 e2 e3 e' 1 e' 3 e' 2 1 Unit Cube           − − 1 0 0 0 0 1 0 1 0 Seek: L