How can I draw emmisive lines?

I’m trying to draw lines at runtime so that they show up clearly to the player. Specifically, I want to draw the simple collision boundary of any static mesh.

I found that “FKAggregateGeom::GetAggGeom” can draw these lines, but they are hard to see. How can I make them emmisive like the wireframe material?

The engine’s wireframe material can be set to high emmisive, but I can’t seem to use it for simple collision. It only works for complex collision.

I have included a screenshot of my current progress. Drawing the collision border definately helps, but you can see that the table’s collision is much easier to see because it is emmisive.