2d Fill is a solid-style Icon from Outlined Fill - Streamline Material set.

The 2D Fill icon shows bold white “2D” lettering inside a rounded black square. Drawn in the solid style on a 24px grid for a clear, compact mark. Use it for 2D design tools, graphics applications, layer controls, and 2D mode selectors. It belongs to Outlined Fill - Streamline Material set in the Streamline Material family.