This is a 3d Printed attachment I designed that transforms an ordinary mechanical pencil into an awesome wiring pencil for prototyping. It was inspired by the old school roadrunner and verowire wiring pencils. The wire is 0.5mm magnet wire with an enamel that melts away with the heat of the soldering iron so there is no need for stripping wires. To use it, simply advance about 0.5" of wire and hold it to the solder joint until the enamels melts back. Once the solder hardens, click and drag to your next solder joint. I like to use tweezers and snips like in the video. You can even use thin solder to make a soldering pencil to go with your wiring pencil. Hope you guys like it!
Step 1: What You Will Need
1. Paper Mate Clear Point 0.5mm Mechanical Pencil
2. Magnet wire with solderable enamel. Diameter of 0.5mm or less.
3. 3d Printed Parts
4. Any nut and screw with 0.2" diameter or less. Length needs to be at least 1 inch.
5. Glue. Super glue(cyanoacrylate) or hot glue will work.
Step 2: 3D Part Files
Step 3: Assembly
Download and 3d print the files. Make sure to print two spool halves. Once done, glue the two spool halves together using super glue or hot glue. After the glue dries, wind the magnet wire around the spool. Insert the pencil clip into the spool holder and attach the spool with a screw and nut. I recommend using a chicago screw but any screw will do. Attach to the pencil and prototype your heart out! You can even use thin solder to make a soldering pencil to go with your mechanical prototyping pencil.
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plouc made it!