Still, there are plenty of websites and online forums where enthusiasts post their 3D-printed Lego creations, some of which would arguably infringe upon some copyright or trademark. Anything marked with the Lego name or logo.Lego packaging and building instructions.Any patented element of a Lego building set.The Lego pieces that are illegal to print are: However, you can’t legally copy any design protected by patents, copyrights, or trademarks without explicit permission from the company. The Lego Group’s original patent for the interlocking brick design expired in 1989, meaning there are no legal barriers to reproducing the classic building pieces. Which Lego Pieces Are Illegal to 3D Print? In the rest of the article, I’ll look more closely at some of the legal barriers associated with creating and selling your own Lego pieces so that you can confidently print your own interlocking bricks. Still, fans of the toy company 3D print their own Lego pieces all the time, and there are some potential gray areas in terms of the law. However, The Lego Group has trademarked and copyrighted some of their designs, such as their human figurines, and reproducing them is against the law. In most cases, 3D printing Lego pieces is not illegal, given that you don’t market your creations as genuine Lego products. So, while advancements in 3D printing make it easier to recreate Legos, do you have to worry about breaking the law? Big companies like The Lego Group are forced to keep up with the ever-changing landscape, and they put a lot of effort into protecting their designs and brand image. New technologies tend to raise new questions about copyright and trademark laws regarding intellectual property.

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