Idea of Center of Gravity Icon
The icon has a cross shape at the center of it. Going around the cross is a dotted circle with four parts to it. The dotted circle takes up half of the cross shape which sticks out on all four ends.
This page contains the Center of Gravity vector icon, as well as variations of this icon in different visual styles, and related icons. All icons are in the flat vector style, however, differ by the line thickness, fill, and corner radius.