Water Washable Resin: The 3D Printing Revolution That Comes With a Hidden Cost

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The pitch is irresistible.

No isopropyl alcohol. No dedicated wash station. No chemical smell drifting through the house while your print soaks in a Tupperware tub. Just print, rinse under the tap, cure, and you're done. Water washable resin promises to take the most annoying, most chemical-intensive part of resin 3D printing and replace it with something you do every time you wash the dishes.

For a technology that has long been gatekept by its workflow complexity — the gloves, the ventilation, the IPA, the...