simple CAD for laser cut stuff, with built-in kinematics simulation
<iframe src="//player.vimeo.com/video/118647545" width="500" height="281" frameborder="0" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>Kinematics simulation demo from Sergey K. on Vimeo.
<iframe src="//player.vimeo.com/video/118649426" width="500" height="281" frameborder="0" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>Building and simulating a Klann linkage mechanism from Sergey K. on Vimeo.