The title says it!
I am in the lucky position to have bought a 1/50 scale airliner from a travel agency, that I look forward to upgrade wit a landing gear and (since it is completely without paint and markings) with a new livery for great modern 28mm action on the tabletop.
It would be hard to paint every single window and lettering. Regretfully I have no idea how to make decals, but I am aware that there is a 1/72 decal sheet for the particular plane that I could buy. Perhaps somebody on here does know how to scale up and print such on blank decal sheet or could even do it for me.