Then, he added to lock in the exact lengths. As he worked, the lines turned from white (under-constrained) to green (fully constrained), giving him the confidence that his design wouldn't shift unexpectedly later. 3. The Refiner: Operation Tools
When working with constraints, keep these professional practices in mind: catia+v5+sketch+tools
Forces the cursor to snap to grid intersections. Then, he added to lock in the exact lengths