Difference between Alt + D and Shift + D in Blender - YouTube
Blender duplicate object – Difference between Shift D, Alt D and Collection Instances - blog.imeshh.com
Blender SHIFT-D & ALT-D | rgb-labs.com
Flickering meshes) Why is this glitch happening yeah it's Alt+D and moves the meshes but the other are behaving like that and it crash my blender : r/ blender