Open the Vertex Normal Tool 1.0.5 interface.

In standard 3D modeling, lighting is calculated based on "normals"—invisible lines pointing away from surfaces. Default shading often leads to artifacts or "soft" edges where they shouldn't be. Precision Shading

Game engines like Unreal Engine, Unity, and Godot rely heavily on explicit vertex normals to keep polycounts low.

What could be better

Version 1.0.5 refines this workflow within Cinema 4D, providing a stable, high-performance toolkit for technical artists. Understanding Vertex Normals