how to clear auto smooth not working or disabled - YouTube
modeling - Smooth Shading option not working - Blender Stack Exchange
shaders - Auto-Smooth is greyed out and can't be enabled - Blender Stack Exchange
Smoothing not showing in Render - Modeling - Blender Artists Community
Right click Shade smooth not working. what could be the reason. i followed Cg Boost exactly. he did it fine. i am doing it. not working. No Flat no Smooth : r/blender