Mesh - weird shadows - CG Cookie
3D lights and shadows — Godot Engine (stable) documentation in English
Selecting a surface creates a strange 'shadow' - what is going on? (with picture) - Technical Problems - SketchUp Community
Solved: Weird shadow forms in sculpt environment - Autodesk Community - Fusion
Mesh Has a Weird Shadow Glitch - Creations Feedback - Developer Forum
modeling - Very strange shadow glitches on mesh - Blender Stack Exchange
texturing - How to make rigged vector shadows on 3d mesh?/changing Texture shapes based on lighting/ Making freestyle lines look more 2d like - Blender Stack Exchange
Solved] Weird Shadow on static mesh - Rendering - Epic Developer
Blender 2.9 - 3 Method to Fix a Weird Shadow Behavior
Blender 2.9 - 3 Method to Fix a Weird Shadow Behavior
Unity - Manual: Shadow troubleshooting
modeling - How can I get rid of these weird shadows? - Blender Stack Exchange