I’ll first go through a few assumptions about the shape, since glass objects don’t really have shadows that tell their shape well: So, first off all I assumed that the bottom is only slightly wider than the lip/ top. So there is a bit on the edge that pokes out (orange areas). I could have made it a bit bigger, but in some cases it’s better to capture the basic shapes and the most important forms than the whole object. I assume the pink area is where the inside edge of the wall is inside the bottle, so the actual bottom is a bit bellow that. Anyway this is a bit of an unnecessary and complicated way of doing this. In general thought. It makes it easier if you can place vanish points. In cases like these they would be far off of the page/ screen. In these cases I would mostly go with my intuition, but that takes a bit off practice, hence this exercise. Anyway, there is one primary mistake I can see. If you look at the area at the top and the bottom, so the top and bottom side of the box, it looks like the area on the bottom is wider. In cases where the focal points are far off the page, the top and bottom surface should have roughly the same shape, but they don’t, which gives the impression that the box, viewed from the side (purple sketch) is a trapezoid. Even if you have a very exaggerated perspective, the close edges, should not be longer than the further edge. See:sketch in the top right: even tough the bottom area is bigger, because it’s more visible , edges are still shorter. The light blue lines are the same length (I copy pasted them and rotated them slightl), but the line overhangs (orange circled area) a bit on the further side. It’s a good assignment to do, I teaches 3d visualization and perspective. I hope this helps. May I ask what the assignment is for ? If it’s for studying, university or school, then I wish you good luck. | Artwod Feedback