Blender Tutorial - How to use the Decimate Modifier - YouTube
A Custom Normals Workflow for Clean, Stylized Toon Shading — aVersion of Reality
mesh - Reducing vertex density as distance from point increases - Blender Stack Exchange
sculpting - Possible bug? Sculpt Mode -> Simplify Brush is affecting far side of mesh - Blender Stack Exchange
GitHub - zippy731/vamp: Vector Art Motion Processor - Blender Add-on to remove hidden edges from meshes. Generates silhouettes and line drawings similar to Blender Freestyle
How to simplify/clean up a mesh? - Blender Stack Exchange