Peaucellier-Lipkin linkage. First rotary to true linear mechanism

Please do NOT use this version, The design has been updated here: https://www.thingiverse.com/thing:1132271/files

Read about it here: http://en.wikipedia.org/wiki/Peaucellier%E2%80%93Lipkin_linkage
I based my design on the animation.
Made in Diamond Age PLA on and Ultimaker 1. Designed in MOI.
Short video at: http://youtu.be/1zDQ1CIyr68 Note what a tight radius my hand is describing and the more or less straight line output.
This quote at the bottom of the wiki page is so wonderful it bears repeating in full:
Sylvester (Collected Works, Vol. 3 Paper 2 ) writes that when he showed a model to Kelvin, he 'nursed it as if it had been his own child, and when a motion was made to relieve him of it, replied "No! I have not had nearly enough of it—it is the most beautiful thing I have ever seen in my life"'.