Dimmer knob
thingiverse
To fix a broken dimmer knob without settling for a store-bought replacement, follow these steps. First, print and replace the old knob. You may need to drill out the center hole based on your dimmer shaft dimensions; I used a 6mm drill bit to adjust the shaft accordingly.
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With this file you will be able to print Dimmer knob with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Dimmer knob.