Monoprice MP Select Mini Extruder Spacer

Just a small device I made to help me get the calibration of my extruder head right. I live in the US, and keep having issues finding pieces of paper with a consistent thickness. At least, this should help in the future.

This thing was made with Tinkercad. Edit it online https://www.tinkercad.com/things/7pDR28GOKpq