I am experimenting with wire frame sketches to base my part creation and assemblies on. So far things have been working pretty good. However sometimes the wire frame sketches can become busy. I tried creating multiple sketches with names of the parts they represent, and that is working good. The problem is I can't select things between sketches like I can if it was all in one sketch.
In the example below the base frame sketch is the outer rectangle, and the inner rectangle is the moving slide. I want to tie the midpoint of the base frame the the center-line of the moving slide. It would not let me select the midpoint of the other sketch line. It also won't let me dimension the length of the top like in base frame while editing moving slide so I could use equations.
So two questions....
1. Is there a better way to accomplish what I want keeping the wire frame sketch from getting cluttered?
2. How can I dimension and reference other sketches in a multiple sketch part?