It sounds like you’ve come across a specific type of creative hobbyist resource—likely a PDF or printable template for building a miniature diorama in (common for S-scale model trains, or Hot Wheels/Matchbox cars).
Would you like help finding a specific type of 1:64 paper diorama, like a gas station, urban alley, or countryside scene? Papercraft Diorama 1 64 Free Download