I think this is a good example of mechanical constraints. https://cad.onshape.com/help/Content/constraints.htm https://cad.onshape.com/help/Content/constraints

I think this is a good example of mechanical constraints. https://cad.onshape.com/help/Content/constraints.htm https://cad.onshape.com/help/Content/constraints.htm Onshape is free to demo, so give it a whirl?