
If Hoyoung Lee&rsquo;s concept printer becomes reality, you&rsquo;ll never throw away another pencil stub or buy another ink cartridge. The&nbsp;pencil printer separates the wood from pencils and uses the lead to print documents. There&rsquo;s even a built-in eraser component that allows you to remove text from a page and reuse the paper, so you&rsquo;ll be saving money and trees.
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