3D Printer audible bed leveling tool

The Koehler audible bed leveling tool.

Tired of painful exacting bed leveling? Try this for a quick painless method. All parts are available from your local radio shack for less than 15 dollars.

Use with thing 97151 to get your bed just right.

You will need:

1. Piezo buzzer 3-20v pn 273-059

2. Gator clip (large enough to attach to your hotend)

3. PCB (copper clad board) cut into four pieces

4. 22 ga wire (8 -12 ft)

5. 4.7k ohm resistor

6. power source (9v battery or molex 4 pin for atx power supply connection. I prefer a 9v battery as some ATX power supplies will trip the breaker shutting down your power supply)

7. power supply connector depending on your preference of power supply. I personally use small gator clips to allow multiple options for power sources.

8. 4 bulldog clips (if you use a glass bed you already have the ones you need.)



Instructions

1. Cut PCB (copper clad board) into four 1”x1” squares.

2. Solder a length of w