Ruler Marking Gauge
thingiverse
Mario Zimmermann's ruler stop did not fit my steel rulers. So I created a design that suited me. The size of the steel ruler can be adjusted in the OpenSCAD file. Please add about two tenths to the width and height so that the ruler can move freely. As in the original design, you will need an M3 screw with a length of 25-30 mm (depending on the width of the ruler) and a suitable square or hexagonal nut.
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