Uploaded April 2026 | Updated September 2026, 1 hour ago

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So a work buddy of mine 3D printed a retractable WDT tool that he found on makerworld.com, from the user historicc. It's pretty sweet, and only cost about $4 to make. The main cost are the accupuncture needles. Just snip off the ends of the needles by the way, as they are super sharp.

-- Products used/recommended in this video --
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► WDT design: makerworld.com/en/models/119130-retractable-wdt-espresso-tool#profileId-128175

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Machine source: CC

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