Brush with no collision

MechaBowser

L1: Registered
May 17, 2009
32
0
Hi. I'm rather new to tf2 mapping.

How would I go about making a brush visible yet not affect collision? I'm trying to make a beam of light and it looks alright, but the player can't enter it :(

any help appreciated!
 

gamemaster1996

L13: Stunning Member
Sep 30, 2009
1,064
134
Or a func_wall set to not solid.