PMKS live editing of a double-butterfly mechanism

This video is intended to highlight how fast the kinematic analysis operates within PMKS (http://designengrlab.github.io/PMKS/). This Silverlight app performs dynamic analysis fast enough that one can see the effects of design changes while dragging the mouse. This works for even non-dyadic mechanisms like this double-butterfly linkage.
The following link is the URL generated at the end of the video - give it try!
http://designengrlab.github.io/PMKS/p...|leg1,ground,R,-42.889,-8.869,0.000,ffff|leg2,ground,R,21.433,-5.112,0.000,ffff|wing1,leg1,R,-43.834,13.307,0.000,ffff|wing1,wing2,R,-23.442,25.303,0.000,tfff|up1,wing1,R,-38.090,20.002,0.000,ffff|input,up1,R,-4.561,3.670,0.000,ffff|input,up2,R,0.328,4.432,0.000,ffff|up2,wing2,R,3.932,14.167,0.000,ffff|wing2,leg2,R,28.074,28.617,0.000,ffff|