The Format Indent Increase Fill icon shows a right-pointing arrow beside three shorter horizontal bars between two full-width bars. Drawn in the solid style on a 24px grid for clear, consistent UI rendering. Use it for text editors, formatting toolbars, code indentation, list controls, and document layout interfaces. It belongs to Outlined Fill - Streamline Material set in the Streamline Material family.
Same category - from the Outlined Fill - Streamline Material