Triangle Maximize Window Fill is a solid-style Icon from Sharp Fill - Streamline Material Free set.

The Triangle Maximize Window Fill icon shows a bold square window frame with a diagonal arrow pointing toward the upper right. Drawn in the solid style on a 24px grid for crisp, consistent UI scaling. Use it for window maximize buttons, fullscreen controls, expand actions, and responsive layout tools. It belongs to Sharp Fill - Streamline Material Free free set in the Streamline Material family.