From the blog "reepblue's Blog"

There has been some discussion regarding on how to set collision shapes for your models. For 95% of models, you should be building shapes with the Model Viewer as described here. In some cases, the model artist might want a custom shape to be made. In this post, I'll be going over how I import models into Leadwerks, and building custom shapes. A few notes first. I use Blender; Blender 2.79b to be exact. I haven't get got the hang of 2.80 and until the new engine's art pipeline is fully onli