Example 3.  on the [7, 4, 3, E] Tonnetz
This example is a Flash file, which is no longer supported in web browsers but can be safely opened as a standalone file. Right click on the filename below to download the SWF file. (Choose "Save as" or "Save link as" - you may get a warning.)
You can download a standalone Flash player here.
Choose the "Flash Player projector content debugger" for your operating system, install and run it, then open the downloaded Flash file to view it.