modeling - Shift + D not creating new object - Blender Stack Exchange
Difference between shift + and alt + d. | By Blender Daily | Facebook
Why does this happen when I duplicate an object? I use shift+D, and there's the object(bottom), and like a ghost object. Why does this exist? : r/ blender
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Blender duplicate object – Difference between Shift D, Alt D and Collection Instances - blog.imeshh.com
Duplication — Blender Manual
Alt D Shift D Blender - YouTube
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Blender 3.0 - 03 - Duplication - SHIFT D - ALT D - YouTube