I'm having an interesting issue I recently encountered when dealing with Illustrator 3D effects. I'm trying to explain this issue with a more simple example than it actually was.
I have two
isometric left 3D cubes which I already have expanded to their appearance. Let's say these two cubes are two table legs of a desk. They are perfectly isometric left aligned to each other, but I don't know their distance.
Now I want to add the missing tabletop. I don't know how long the length of the tabletop should be so I thought I need to get the distance of those two anchor-points:
So I checked transform, got
x, y coordinates of both anchors and calculated the distance with an online calculator.
Let's assume the distance between these two points is
240pt. I created a line to doublecheck this and it fitted perfectly from one anchor to the other.
So I created a 2D shape with the exact width of
240pt, applied the same 3D effect as on the cubes, but it turned out: The tabletop was too short. I thought it must have to do with me mixing up some numbers, but I did it again and it did not work.
I wanted to make sure that the way I do the calculation is correct, so I did the exact same thing in Cinema 4D, and it worked. Is Illustrator not actually calculating with proper values? Is it behaving differently when it comes to coordinates and 3D?