Don’t let nightmares about your high school geometry class scare you away from this popular summer trend. As seem on the runways, geometric nail art designs — triangles, squares, circles, grids, and more — are blowing up our Instagram and Pinterest feeds. All it takes are some lines and shapes and your imagination. Detail and precision are key to this abstract look. Here are some from your fellow math-loving nail artists.

For more geometric nail art, make sure to check out our Geometric Nail Art board on Pinterest.