These simple construction elements can help you make flyers and diagrams for your network. If you're on a computer, you can copy and paste the elements into your workspace. The elements also work fine with scissors and glue.
Graphic Design, presentation, or drawing software (optional)
If you want to make a diagram with these Elements on a computer, you can find free, open source graphic design programs available online. Look for Inkscape for drawing diagrams and Gimp for working with photos. Google Docs also has a free drawing tool.
thenounproject.com has a graphics that you can use along with these Elements.