Triangle Down Square Fill is a solid-style Icon from Outlined Fill - Streamline Material set.

The Triangle Down Square Fill icon shows a white downward-pointing triangle centered inside a filled rounded square. Drawn in the solid style on a 24px grid for clear, consistent UI rendering. Use it for dropdown controls, collapse actions, navigation buttons, selection interfaces, and menu triggers. It belongs to Outlined Fill - Streamline Material set in the Streamline Material family.