Grid/rules for icon set creation

Here is an explanation of how I created the icon set using a 16 by 16 pixel grid and simple geometric shapes.

The full icon set you might download for free; both for commercial or personal use at this google drive link: https://drive.google.com/open?
id=1mlR8kJ5AQ6m87YcW8aia6qTmxxGtYk77

(EDIT: Why not go PRO so you can download the icon set from here)