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If I create a cube, move it away in the x direction, and zoom all the way in toward it (i.e. from either left or right), its center is still aligned with the origin:

x-axis alignment

Same with the z direction. But if I move the cube in the y direction and zoom in toward it (i.e. from either front or back), its center creeps below the xy-plane:

y-axis alignment

y-axis alignment

I am new to Blender so I'm not sure if I'm somehow misunderstanding the orthographic view, but I could not think of a possible reason it should be behaving differently on the y-axis than it does on the other two. When I tried the same thing in Rhino 3d, for example, this did not happen. I am just wondering if this is an indication of some more general feature of orthographic view that I need to be aware of and account for.

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  • $\begingroup$ I'm not sure if I understand what problem you are trying to solve? $\endgroup$ Aug 8, 2023 at 6:10
  • $\begingroup$ I'm quite sure this is some floating point error... $\endgroup$ Aug 8, 2023 at 8:20
  • $\begingroup$ @RobinBetts im interested to see the problem, i can't reproduce it on Blender 3.6 $\endgroup$ Aug 8, 2023 at 12:15
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    $\begingroup$ @HarryMcKenzie Here it is .. Take care not to move the view before seeing it.. the object origin should appear coincident with World 0, in an ortho view. $\endgroup$
    – Robin Betts
    Aug 8, 2023 at 16:30
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    $\begingroup$ @HarryMcKenzie .. not sure you can call it a 'bug' .. more an inherent floating-point limitation, at extremes, in the method chosen to create this view? The method may be sub-optimal, but correctly implemented. I guess you could still report it.. you would have to be diplomatic :D $\endgroup$
    – Robin Betts
    Aug 11, 2023 at 8:05

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