Est. Budget: $10.00
I need a measuring tape that users can print out and cut out from a sheet of paper.
It will measure in centimeters and diopters (don't worry, the conversion is simple) and go to 100cm. It needs to print correctly for A4 and the U.S. standard letter size (so two PDFs, depending on the paper size the user needs).
If you do a search for "printable measuring tape", you'll find lots of examples of this - except of ...