I've been playing around a bit with spatial linkages and mechanisms in grasshopper, and thought I'd share if anyones interested :
http://spacesymmetrystructure.wordpress.com/2009/02/21/grasshopperrhino-fields-and-kinematics/ You can download the .ghx there for an adjustable bennett linkage. I've found Grasshopper really makes exploring this stuff a lot easier. Thanks!
