Rigged and animated model of car engine gas distribution mechanism.
Unique animation system - all moving parts depends from only ONE key-animated camshaft! (name of object Dummy_camshaft).
Valves, springs and other parts are connected to camshaft via Reaction and Expression contriollers, so you only need to rotate Dummy_camshaft with any speed or animation curve, and whole mechanism start moving!
Presented 2 realistic materials - clean and dirt metal.