NetZoom Symbols for SmartDraw - Version 2.0 NetZoom Symbols for SmartDraw is a 3rd party add-on program that runs inside SmartDraw to give you over 35,000 network equipment symbols. Users can easily create detailed and accurate network designs, network documentation, presentations, and proposals. This NetZoom Symbols for SmartDraw download gives you the option of installing the SmartDraw trial from within the program if you don't already have SmartDraw installed on your system.