3D printing, or additive manufacturing as it is technically known, has existed for a long time. It's a great approach to making models that can be used for practical purposes or pleasure. You can print massive pieces of cosplay armour or little sculptures as gifts. You can acquire a few printers, create your own Etsy business, and profit handsomely.
3D printing is now more affordable than ever, with the best budget 3D printers. The drawback is that these low-cost machines usually require some fine-tuning.
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