Encoder Knob Shaft Cutouts & Example Knobs

Here are models of the shafts of EC11 flat shaft and EC12 shorty rotary encoders, commonly used in the custom keyboard hobby. I've added a 1° draft to each shaft to make the fitment easier. Just grab your preferred format, bring it into your preferred CAD program, and subtract it from your model! Note: For EC11 knobs, you may with to put an 8.5mm diameter hole in the bottom of the model below the shaft cutout, to give your knob a skirt that covers some of the lower section of the encoder its