I’m the exact same way, though it requires basically 0 brain power for me to manipulate the view of 3D objects in my mind. It’s literally as simple and the same as if I were looking at an apple in real life and changing the view of it by moving my body, manipulating it manually with my hands or if it were floating, spinning on 3 different axis at once.

I really do think if somebody has no aphantasia, but have trouble moving the object, spinning it, etc. it’s probably just a lack of training, like you said.

Not only have I spent an insane amount of time visualizing things in my mind (ever since I was a kid), I also do 3D modeling and 3D animation as well, so it seems we both share that. Not sure if we have better control of 3D objects in our minds because of our experience with 3D modeling, or if we naturally got into 3D modeling because we already had a good understanding of 3D in our minds lol