Of course you can still select sizes directly if you prefer. Now Available, the Net Diagramming Extension Pack for comprehesive diagramming of networks, LANs, WANs, and communications systems. Click here for description and download instructions. You can control all aspects of a line's style including its color, thickness, line pattern, curvature, and flow symbols. Straight connectors consist of straight lines connecting each vertex.
Rounded connectors are straight connectors with the corners rounded off for a smooth appearance.
You can control just how round they look. Curved connectors can follow any smooth curved path you care to define. Curved connectors are defined by placing intuitive control points along the path rather than the more confusing bezier points that other programs use. Smoothed connectors are a lot like curved connectors except they pass right through each control point for the simplest possible control. Flow symbols allow you to create connectors whose path is defined by a repeating pattern of symbols rather than a simple line.