Don't let mechanical rigging and complex looking interactions overwhelm you, get back to the basics. This #rigTip from Rigging Dojo lets you rig up a crank and piston action with out any complex math.
Constraints - Autodesk Maya
maya 3D matrix vector animation
Picked up by CGchips. 2D,3DCG tutorials and 3Dprinter news site. http://cgchips.com/
Lukruk rig Lesson 02 - the legs inner pistons