The right channel…?
I did put the Z extent to 10. Aren’t Unreal’s units the equivelant of centimetres? I figured that was 10 centimetres.
But no, I’m not seeing those options. These are the only ones I can see under Collisions:
In fact, after loading the project up on my laptop, and had to go through the process again, the collision is no longer working for some reason. :-\