Turn your free Ikea measuring tape into an Ikea tape measure!
Inches on one side, centimeters on the other.
The case snaps together, no glue or screws needed! (some glue required to attach the paper tape measure to the printed parts)
5% infill on the roller to save printing time and material.
I did 40% infill on the case, though I'm not sure it matters since there's not a lot of solid area here.