A ruler inspired by the train that runs along the tracks to the distance.
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Personal opinion: The following row of parameters can be reversed. In this way, you can directly read as much as you want. No need to pull to the longest
This... 15~27 can't read
There is a problem with the video. The ruler at the back has changed and is inconsistent.
This design is very interesting
There is a pain point in finding the ruler, which is good
This design is very humanized ~