for when you really need a simple half centimeter increment ruler and don't want to go buy one.

this design is made to be printed with a 0.4mm nozzle (0.6mm works too) and pla. it is simple and quick and shouldn't be a problem to print fast as long as you have a good first layer. 

putting in your regular pla settings with around a 0.2-0.3mm layer height should work fine.

the g-code provided is for 0.6mm nozzle the picture for this model was taken from printing this g-code on a ender 3 pro using ziro green PLA pro at 0.28mm layer height taking 43 minutes to print.

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