This is the Zadania równoległe 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.
There is a small rounded square above three equally sized and shaped squares below it. There is a line connecting the top square directly to the one below and another line reaching from the top of the bottom left square crossing the middle line and connecting to the bottom right square.