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    Filament welder tool add-on

    ASSEMBLY INSTRUCTION
    General
    The Wisepro Filament Welder performs its job excellently, but unfortunately it is not an easy tool to use. During the welding process, the tool must be held by hand for at least 6 minutes, depending on the filament type, and there are also several other imperfections.
    For this reason, I have extensively modified the tool to improve ease of use. Among other things, I removed the separate cord switch and installed a small switch and LED in the handle. I also placed the power connector directly in the handle.
    However, this is completely separate from the Tool Add-on described here.

    Materials list:

    • Printed Tool Add-on
    • Printed Spacer
    • Screw M3x85 + Nut M3 (of threated rod M3 + 2x Nut M3)
    • 2x countersunk screw DIN7982PZ 2.9x9.5
    • 4x neodymium magnet. Attention! I ordered 20x10x3mm from Ali Express but they delivered 19x9x2.5, so I designed the delivered dimensions.
    • 2x metal plate approx.25x15x1mm

    DRAWING 1
    Adding the magnets
    Glue the four magnets into the slots using two-component adhesive. Make sure the polarity of adjacent magnets is correct. When inserting the magnets, check that the metal plates are clearly attracted.
    Remove excess glue once the magnets are in place. While the adhesive is curing, place a metal plate on top of the magnets to keep them aligned.
    Installing the Tool Add-on
    Remove the lower M3 screw and threaded insert from the filament welder. Then place the printed Tool Add-on on the Filament Welder and secure it with the M3x85 screw and nut. Rotate the Tool Add-on until it sits flush against the bottomside of the Filament Welder. Drill two 2 mm holes in the center of the countersunk holes of the Tool Add-on into the filament welder. Secure the Tool Add-on using the countersunk screws 2.9x9.5mm.

    DRAWING 2
    Preparing the filaments
    Open the Filament Welder and insert the spacer as shown in the drawing. The welder will now stay open.
    Place a piece of heat-resistant paper (opt. baking paper) on the lower heating element and fold it slightly upward. Insert the filament into the opening of the Tool Add-on, making sure the filament end is centered on the heating plate and positioned between the folded paper. Hold the filament in place by placing a metal plate onto the magnets.
    Repeat this for the second filament. Ensure that the filament ends just touch each other on the heating plate.
    Place the second metal plate onto the magnets.

    DRAWING 3
    Ready for welding
    Once both filaments are positioned correctly, carefully remove the spacer and place the upper heating element onto the filaments.
    The filament welder is now ready for the welding process.

    DRAWING 4
    Time table
    The time table for the various filament types can be easily attached to the bottom of the Tool Add-on. You can also make it more durable by applying transparent tape over the entire surface.