amazing prop idea

so the idea is a prop the you can walk on but you can jump and go through it and crouch to fall down from it. like mario:woop:

:wtc:

[editline]27th June 2011[/editline]

Oh, after re-reading your post it makes sense now. However I’m not sure this is possible to only do on one prop, I’m sure it’s possible (I couldn’t make it) but, the coder will probably charge you if you really want this, just letting you know

Just use this http://www.garrysmod.org/downloads/?a=view&id=91834