Many years ago, I was working for a company that designed and manufactured desktop ink-jet printers. We had just released a model that used a new, higher-resolution color pen, but we were having high ...

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3Doodler’s 3D-printing pens cover a wide range of potential uses, from preschool art projects to high-end professional model making. With the Pro Plus, 3Doodler is attempting to refine that ...