Zeeman's paradox is that a perspective drawing appears realistic from a variety of distances and angles even though its three mutually perpendicular vanishing points appear in mutually perpendicular directions from only one point.
Zeeman's Paradox
See also
Leonardo's Paradox, Perspective, Vanishing PointExplore with Wolfram|Alpha
References
Dixon, R. Mathographics. New York: Dover, p. 82, 1991.Referenced on Wolfram|Alpha
Zeeman's ParadoxCite this as:
Weisstein, Eric W. "Zeeman's Paradox." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/ZeemansParadox.html