This is the Kanał aktywności w icon for Windows 10. Here we go. Optimized for 32x32 px, these are the simplest icons in the line style. Downloadable formats are PNG and SVG, among others. Icons8 icon pack is unique in providing a huge number of icons designed by the same team of four designers who create the new icons every working day in the same style and with the same quality. Same cool as the Bat Face, huh.
This image depicts three rectangles. Each rectangle has a much longer width than height, resulting in a very compressed image. The three rectangles are stacked horizontally on top of one another, an equal distance from one another.