Wall Worm Forums

I imported half of a airplane from CS/GO, and cloned it so I could have a full plane. However when I try to turn a copy into a collision mesh, even using the hull helper, it doesn?t work and just makes a generic ?shrink wrapped? version. I tried using basic shapes and they worked fine, perhaps there?s a way for me to import the original collision mesh somehow from the .mdl and clone it? I?m pretty lost here as to what to do to make the collision mesh. Thanks!