208mm Build Height Gauge (Ruler)

This is a thin PLA ruler, created as a calibration and capability test for my 3d printer with a .40mm print nozzle. 208mm x 25mm x .065mm

I wanted a gauge along the vertical strut of my Prusa i3 Mk3, as an absolute Z-height reference. Accuracy is on the order of +/- 1mm, give or take your skill at eyeballing the level. It is also a nice test of your first level calibration, and overall printer precision and fine detail capability.

I chose to use the top edge of the "X-end-motor" printed