Current implementation always link the conenctors from the center of each elements. On crowded elements (i.e VLAN elements/electrical diagram) this can end up with a spiderweb. Using different conenctors can allow to have a cleaner states. The provided patch implements a way to define the anchors for each end of the connector. If we provide a side, it calculate the created line (corner to corner) and calculate the shortest path to reach the side. Since we uses a 2D and the line is finite, we only have to compare 3 points: line start, middle, line end. We form 2 lines (a point is a line with start=middle=end) and determine what point to point is the shortest. This gives the connector start and end coordinates.

Effect is displayed in the provided png.