Huśtawka łańcuchowa and other 80,800 icons from Icons8 icon pack follow the visual guidelines of the operating systems: Windows, iOS, Android KitKat, and Material. PNG format is free up to 100x100 px. Icons are availble for download in PNG and vector (SVG, PDF, EPS, and more).
The image is of a canopy that's at the top of a stand. There are four lines coming from the canopy. At the end of each line is a circle. The circles are touching the lines but they are not touching each other.