xkcd #3138: Dimensional Lumber Tape Measure
Title text:
A person with two watches is never sure what time it is, especially if I got them one of the watches.
Transcript:
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Source: https://xkcd.com/3138/
Eh, not a problem at all. You can't make it look exactly like my other three and I make sure to use the same tape measure throughout a project, really after the first couple cuts I'm not even using it I'm using the cut pieces to measure against.
I don't care what the number actually is, just that I can mark in the same spot consistently.