++ This model is designed for 0.2- 0.25mm nozzles! ++

A small foldable metric rule, compact and fully printable.
To print this model you must use a nozzle that is less than 0.25 mm otherwise you will not be happy with the result. The screw parts needs to be printed with 100% infill.

Scale everything 254% up to get a full size Inch-ruler, which you can also print with bigger nozzles.