{"id":223821,"date":"2025-10-23T04:20:45","date_gmt":"2025-10-23T09:20:45","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2025\/10\/secret-qr-codes-and-hidden-warnings-3d-printing-technique-allows-precise-control-of-material-properties-point-by-point"},"modified":"2025-10-23T04:20:45","modified_gmt":"2025-10-23T09:20:45","slug":"secret-qr-codes-and-hidden-warnings-3d-printing-technique-allows-precise-control-of-material-properties-point-by-point","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2025\/10\/secret-qr-codes-and-hidden-warnings-3d-printing-technique-allows-precise-control-of-material-properties-point-by-point","title":{"rendered":"Secret QR codes and hidden warnings: 3D printing technique allows precise control of material properties, point by point"},"content":{"rendered":"<p><\/p>\n<p><iframe style=\"display: block; margin: 0 auto; width: 100%; aspect-ratio: 4\/3; object-fit: contain;\" src=\"https:\/\/www.youtube.com\/embed\/tpV-P_7r_Xo?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope;\n   picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<p>3D printing is extremely practical when you want to produce small quantities of customized components. However, this technology has always had one major problem: 3D printers can only process a single material at a time. Until now, objects with different material properties in different areas could only be 3D-printed at great expense, if at all.<\/p>\n<p>Researchers at TU Wien have now developed methods for giving a 3D-printed object not only the desired shape, but also the desired material properties, point by point.<\/p>\n<p>The versatility of this technology has been demonstrated in several applications: for example, it is possible to print an invisible QR code that only becomes visible at certain temperatures.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>3D printing is extremely practical when you want to produce small quantities of customized components. However, this technology has always had one major problem: 3D printers can only process a single material at a time. Until now, objects with different material properties in different areas could only be 3D-printed at great expense, if at all. [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1489,1635],"tags":[],"class_list":["post-223821","post","type-post","status-publish","format-standard","hentry","category-3d-printing","category-materials"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/223821","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/427"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=223821"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/223821\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=223821"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=223821"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=223821"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}