My question is essentially, what's the difference in modeling (or the benefits?) of making a copy of a mesh when it is in vertex mode as opposed to object mode? So what's different if I select the vertices and make a copy as opposed to just selecting in object mode and make a copy and join? other than the extra steps I…
Not sure if you actually have an issue or just asking for curiosity. Technically it makes no difference the moment you join the objects back to one mesh. Although you have more options to mess something up while you have two objects ;) The one thing I know which can lead to issues is when you have multiple objects using…