Collision boxes not working.

Hello everyone. I am kinda new and I dont know what may be going wrong. These are the screenshots I have:

One is from UDK and one from Unreal 4.

Its crazy that my mesh and the collision boxes work for the UDK and not for Unreal 4, especially when unreal 4 is payware (thanks epic for letting indie developers grow instead of paying a lot of money, they dont have). I was really satisfied with U4, until this happened. Any ideas?

Disable “one convex hull per…” in the import settings, then it should work correctly :slight_smile:

Also take a look at this tutorial:

Thanks for the quick answer. However, when I disable it, the collision boxes Unreal detects are the same but shows half of them:

instead of

P.S: everything should be rectangular