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7:29 PM, Wednesday January 4th 2023

I think It is possible, every line goes to its own vanishing point, so conceptually I guess it is right, though I'm not an expert, but if i put a boc on a glass table and you look from under the table It could be possible to be accurate this box

9:52 AM, Thursday January 5th 2023

Ok, I thought about it again... and I think it's conceptually wrong..

If the 2 lateral vanishing points go downwards it means that I am looking at the box from the bottom upwards, because my horizon line (my eyes) are under the box. So if I look up, the 3rd vanishing point can't point towards the horizon but away from it.

As before, maybe I'll explain better with a drawing -> https://imgur.com/a/gpKtTlc

did I get it right?

3:35 PM, Thursday January 5th 2023

Wow that was getting into eating my brain, but i suppouse that you're right, I had done many isometric and 3D draws for my carreer but I have never seen one like the left one and thinking about it you're right, but I feel I had seen that in a draw before, felt like a building falling over you, so I don't really know, but if I had to choose I think that yes, the left one is conceptually wrong...

That moved my ground, I'm going to ask a around, if I have news I'll comment in here

3:10 AM, Saturday January 14th 2023
edited at 3:10 AM, Jan 14th 2023

It's not an impossible 3D form. It's just much bigger on top than bottom, creating the visual effect.

The planes on the sides are tilted.

edited at 3:10 AM, Jan 14th 2023
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