This is a remix of a two-color sign by 3dxia. I wanted to be able to print it in three colors as shown, but with a one-color printer, I can only do filament swaps. So I cut an area out of the middle and shrunk it just enough to fit in the other part.

The original is here: https://www.thingiverse.com/thing:4396459 Since I found it on thangs.com, and they stole the design from 3dxia without crediting it, this isn't shown as a remix of the actual original design.