The author remixed this model.
These are the STL's of the state names rendered upside-down and backwards so you can emboss your states after scaling on your build plate.
The smaller states have just the abbreviations. Michigan has an additional abbreviation for its northern property.
Prusa slicer
Drop your states, set your scale, drop the text.
Select the text and state. Right click and Merge the text and State
Select the text, right click Change the type to “Negative Volume”