Shade Smooth Operator Now Has Auto Smooth Property - BlenderNation
shaders - Auto-Smooth is greyed out and can't be enabled - Blender Stack Exchange
Auto Smooth doesn't want to work with me. Any ideas? - CG Cookie
Blender Tip: Auto Smooth instead of Edge Split Modifier - Community Tutorials - Developer Forum | Roblox
I tried to use Auto smooth, but the angle is grayed out and it just doesn't work, i've tried googling but i don't quite understand the answers. : r/blenderhelp
normals - Auto Smooth Angle Isn't Working As Expected - Blender Stack Exchange
Auto Smooth doesn't want to work with me. Any ideas? - CG Cookie
shaders - Auto-Smooth is greyed out and can't be enabled - Blender Stack Exchange
Smooth shading with auto smooth not working (list of things I've tried in comment) : r/blenderhelp
why is this option greyed out? - Basics & Interface - Blender Artists Community