For a working out of how things like homes and steam engines and boats might work in a 2D world: https://en.wikipedia.org/wiki/The_Planiverse https://en.wikiped

For a working out of how things like homes and steam engines and boats might work in a 2D world: https://en.wikipedia.org/wiki/The_Planiverse https://en.wikipedia.org/wiki/The_Planiverse