Replacement rollers for some check scanners at work. I have had one or two rollers (There's three per machine) in production with no calls from the end users who run the machine. Print with fuzzy skin as the TPU is a little too slick to grab the paper if printed normally.

If you want a little little more flexibility on your roller do 5% or less infill.

I have included the modeled bodies that the tires fit around for the scanner, but those are very much experimental and not quite finished, so use at your own risk.