CR10 Ender 3 - Harbor Freight Indicator Holder (Digital or Analog)

Great for leveling your bed with precision. Set the Indicator to zero in the center of your bed after you already set up the right hight (paper under nozzle) and then just go on the 4 corners and adjust the spring knobs until all four reach zero in the indicator! Remove the holder and indicator and store until your next bed alignment.

NOTE: I modified the original design I found here because the holder was TOO low and the diameter of the bracket was too small for the harbor freight indicator!