World Brush

A world brush is a brush that has not been tied to an entity. Unless specified otherwise by a material, world brushes are solid to everything, block line of sight, cast lightmap shadows, cut visleaves, obstruct visibility, and seal the map. New world brushes are created with the Block tool . To turn a brush entity into a world brush, select it, then choose Tools > Move to World (or press Ctrl+⇧ Shift+W).

See Also

• Brush Creation
• Introduction to Editing