Brushes that don't collide with rockets

[mat_mot0]

How do make a brush where the rocket just goes through it, no explosions or self damage, like in jump maps?

 

[Izotope]

Tie your brush to an entity using CTRL+T and make the entity class a func_brush.
Set the Solidity keyvalue to Never Solid(1).

 

[mat_mot0]

thank you!