This is the Schemat blokowy 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.
A large box sits above three smaller boxes. A line is drawn vertically from the bottom of the top box to the top of the middle box. Another line intesects the middle of the line horizontally and then turns at right angles and joins the other two bottom boxes.