You may copy, modify, publish, distribute, and sell this icon without an attribution condition. Public-domain treatment varies by jurisdiction, so retaining the Unlicense statement is the clearest approach.
Plus or cross sign inside a circle representing a centered cross or medical symbol. This line icon belongs to System Uicons, a source set with 432 SVG records. Its recorded source grid is 21px. It is indexed under cross circle, plus circle, cross in circle, centered cross, cross, circle.
Choose SVG for scalable interface artwork or PNG for a raster image in a presentation or document. Export sizes and access depend on your plan. Resizing, recoloring or converting a file does not remove the source license obligations.