Embossed letters that are geometry in CAD would be much better in a realtime engine as a normal map, lots of things like that. A full fidelity CAD model for so

Embossed letters that are geometry in CAD would be much better in a realtime engine as a normal map, lots of things like that. A full fidelity CAD model for something like a bolt can easily be two million polygons if the draftsman isn't careful.