Inventor 2012 - Animating Assemblies using Drive Constraints 

Thanks for posting your tutorial. free education = CHARACTER Thanks for explaining the angle contraint option, and then drive contraint.

Is there any chance that you can make the parts one by one then assemble it with drive constraint as a tutorial?

I have a question is there a spur gear tool in inventer 2013 and where is it located? thanks

thank you every all.

open a new assembly file, it is located under the design tab.