Most of the time, it helps to zoom in and see if things are in a "wrong" place or "melt" into each other, or something that should be symmetric isn't.
Finding letters and words helps, too. They're often nonsense words or unclear letters.
E.g. https://lemmy.world/post/10202384?scrollToComments=true if that's one you were referring to, you can see symmetry problems in the support beams, floors. Letters and writing is wrong. Back of truck has stuff "melding".