{"id":191895,"date":"2022-07-30T00:00:00","date_gmt":"2022-07-30T00:00:00","guid":{"rendered":"https:\/\/facfox.com\/news\/fraunhofer-igd-scientists-develop-new-process-to-avoid-stair-step-artifacts-3d-printing-processes\/"},"modified":"2022-07-30T00:00:00","modified_gmt":"2022-07-30T00:00:00","slug":"fraunhofer-igd-scientists-develop-new-process-to-avoid-stair-step-artifacts-3d-printing-processes","status":"publish","type":"post","link":"https:\/\/facfox.com\/news\/fraunhofer-igd-scientists-develop-new-process-to-avoid-stair-step-artifacts-3d-printing-processes\/","title":{"rendered":"Fraunhofer IGD scientists develop new process to avoid stair-step artifacts 3D Printing Processes"},"content":{"rendered":"

Scientists at Fraunhofer IGD \u2013 Mostafa Morsy Abdelkader Morsy, Alan Brunton, and Philipp Urban \u2013 whose \u20183D Printing Technology\u2019 depart<\/a>ment is responsible for the creation of Cuttlefish, have devised a purely geometric and algorithmic method for the elimination of stair-step art<\/a>ifacts in multi-material 3D printing<\/a>. To avoid quantization errors, the surface of the object is modulated with a high-frequency signal. This results in geometrically accurate and color-true surfaces. The research team has set down their findings in a paper titled \u2018Shape Dithering for 3D Printing\u2019, which will be published to coincide with SIGGRAPH, the premier conference, and exhibition on computer graphics and interactive techniques \u2013 where the research will be presented by the lead author, Mostafa Morsy Abdelkader Morsy.<\/p>\n

Stair-step art<\/a>ifacts are unavoidable in conventional 3D printing<\/a> processes. They are visually unappealing and can also be structurally detrimental to the print. To generate more accurate surfaces, researchers at the Fraunhofer Institute for Computer Graphics Research IGD have developed a new process for polyjet<\/a> printers \u2013  minimizing quantization errors so that stair-step art<\/a>ifacts are no longer noticeable in actual printing, and are at a level far below the physical effects of the printing process. This results in objects with a smoother and more uniform surface.<\/p>\n

\u201cQuantization art<\/a>ifacts are a fundamental issue for all 3D printing<\/a> technologies, but especially for multi-material jetting printers. Despite their high solutions, staircasing art<\/a>ifacts (a) can be visually irritating, and can structurally weaken the part<\/a> [Moore and Williams 2015]. Existing techniques [Kritchman2010] (b) are limited to specific surface orientation, introduce considerable extra computation, and do not remove all art<\/a>ifacts. Our purely geometric and algorithmic technique (c) removes staircase art<\/a>ifacts in all surface orientations, accounts for resolution anisotropy, and introduces a minimal computational overhead.\u201d \u2013 Shape Dithering for 3D Printing To achieve the desired effect, the surface of the object is modulated with a high-frequency signal, such as blue noise. This leads to a distribution of quantization errors to high frequencies, which are then later removed by the function of the human eye and multiple printing processes. \u201cThe printing time remains the same, regardless of the process. The dithering process does not require additional computing time either,\u201d explained Alan Brunton, a member of the three-person author team. <\/p>\n

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The process is used, for example, in the entertainment industry, where figures and objects are printed for animated movies, video games, and board games. In contrast to previous processes, they benefit from the geometric and color precision conferred by the shape-dithering approach \u2013 making them look especially realistic.<\/p>\n<\/p>\n

The dithering process can be used as a purely algorithmic method, independently of the hardware (i.e. with different polyjet<\/a> 3D printers). The solution presented in the research paper is used with the Cuttlefish 3D printer driver developed by Fraunhofer IGD. Based on the results now published \u2013 in the future, the scientists will investigate the further hypothesis of whether the smoother surface of the printed objects also makes them more resilient.<\/p>\n

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ASICS releases ACTIBREEZE 3D (printed) SANDAL: <\/a>Other key design elements of the ACTIBREEZE 3D SANDAL include a thick, open lattice structure, that delivers excellent cooling and breathability \u2013 with the sandal proven to keep temperature and humidity levels on foot lower than other recovery sandals currently on the market, according to ASICS. The sandal\u2019s extra-wide base provides a soft, stable platform. All of these features combine to help optimize a recovering athlete\u2019s After Performance phase, helping them perform at their peak, come the next race day.<\/p><\/blockquote>\n

* This article is reprinted from 3D Printing Media Network<\/a>. If you are involved in infringement, please contact us to delete it.<\/p>\n

<\/i> Author: Edward Wakefield<\/p>\n","protected":false},"excerpt":{"rendered":"

Scientists at Fraunhofer IGD \u2013 Mostafa Morsy Abdelkader Morsy, Alan Brunton, and Philipp Urban \u2013 whose \u20183D Printing Technology\u2019 department is responsible for the creation of Cuttlefish, have devised a purely geometric and algorithmic method for the elimination of stair-step artifacts in multi-material 3D printing. To avoid quantization errors, the surface of the object is modulated with a high-frequency signal. This results in geometrically accurate and color-true surfaces. The research team has set down their findings in a paper titled \u2018Shape Dithering for 3D Printing\u2019, which will be published to coincide with SIGGRAPH, the premier conference, and exhibition on computer graphics and interactive techniques \u2013 where the research will be presented by the lead author, Mostafa Morsy Abdelkader Morsy.<\/p>\n","protected":false},"author":3,"featured_media":191897,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"fifu_image_url":"\/news\/wp-content\/uploads\/2022\/07\/213523362212220408.png","fifu_image_alt":"","footnotes":""},"categories":[37],"tags":[4866],"class_list":["post-191895","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-design","tag-3d-printing-processesam-researcham-software"],"yoast_head":"\nFraunhofer IGD scientists develop new process to avoid stair-step artifacts 3D Printing Processes - FacFox News<\/title>\n<meta name=\"description\" content=\"Scientists at Fraunhofer IGD \u2013 Mostafa Morsy Abdelkader Morsy, Alan Brunton, and Philipp Urban \u2013 whose \u20183D Printing Technology\u2019 department is responsible for the creation of Cuttlefish, have devised a purely geometric and algorithmic method for the elimination of stair-step artifacts in multi-material 3D printing. To avoid quantization errors, the surface of the object is modulated with a high-frequency signal. This results in geometrically accurate and color-true surfaces. The research team has set down their findings in a paper titled \u2018Shape Dithering for 3D Printing\u2019, which will be published to coincide with SIGGRAPH, the premier conference, and exhibition on computer graphics and interactive techniques \u2013 where the research will be presented by the lead author, Mostafa Morsy Abdelkader Morsy.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/facfox.com\/news\/fraunhofer-igd-scientists-develop-new-process-to-avoid-stair-step-artifacts-3d-printing-processes\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Fraunhofer IGD scientists develop new process to avoid stair-step artifacts 3D Printing Processes\" \/>\n<meta property=\"og:description\" content=\"Scientists at Fraunhofer IGD \u2013 Mostafa Morsy Abdelkader Morsy, Alan Brunton, and Philipp Urban \u2013 whose \u20183D Printing Technology\u2019 department is responsible for the creation of Cuttlefish, have devised a purely geometric and algorithmic method for the elimination of stair-step artifacts in multi-material 3D printing. 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The research team has set down their findings in a paper titled \u2018Shape Dithering for 3D Printing\u2019, which will be published to coincide with SIGGRAPH, the premier conference, and exhibition on computer graphics and interactive techniques \u2013 where the research will be presented by the lead author, Mostafa Morsy Abdelkader Morsy.","og_url":"https:\/\/facfox.com\/news\/fraunhofer-igd-scientists-develop-new-process-to-avoid-stair-step-artifacts-3d-printing-processes\/","og_site_name":"FacFox News","article_published_time":"2022-07-30T00:00:00+00:00","og_image":[{"url":"\/news\/wp-content\/uploads\/2022\/07\/213523362212220408.png","type":"","width":"","height":""},{"width":780,"height":470,"url":"\/news\/wp-content\/uploads\/2022\/07\/213523362212220408.png","type":"image\/jpeg"}],"author":"Vera","twitter_card":"summary_large_image","twitter_image":"\/news\/wp-content\/uploads\/2022\/07\/213523362212220408.png","twitter_misc":{"Written by":"Vera","Est. reading time":"3 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/facfox.com\/news\/fraunhofer-igd-scientists-develop-new-process-to-avoid-stair-step-artifacts-3d-printing-processes\/#article","isPartOf":{"@id":"https:\/\/facfox.com\/news\/fraunhofer-igd-scientists-develop-new-process-to-avoid-stair-step-artifacts-3d-printing-processes\/"},"author":{"name":"Vera","@id":"https:\/\/facfox.com\/news\/#\/schema\/person\/7b701aad2d8f434034fcecd2c50a570c"},"headline":"Fraunhofer IGD scientists develop new process to avoid stair-step artifacts 3D Printing Processes","datePublished":"2022-07-30T00:00:00+00:00","mainEntityOfPage":{"@id":"https:\/\/facfox.com\/news\/fraunhofer-igd-scientists-develop-new-process-to-avoid-stair-step-artifacts-3d-printing-processes\/"},"wordCount":631,"commentCount":0,"publisher":{"@id":"https:\/\/facfox.com\/news\/#organization"},"image":{"@id":"https:\/\/facfox.com\/news\/fraunhofer-igd-scientists-develop-new-process-to-avoid-stair-step-artifacts-3d-printing-processes\/#primaryimage"},"thumbnailUrl":"https:\/\/facfox.com\/news\/wp-content\/uploads\/2022\/07\/d209fefcc969dae868287b3f12bb6a11.jpg","keywords":["3D Printing ProcessesAM ResearchAM Software"],"articleSection":["Design"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/facfox.com\/news\/fraunhofer-igd-scientists-develop-new-process-to-avoid-stair-step-artifacts-3d-printing-processes\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/facfox.com\/news\/fraunhofer-igd-scientists-develop-new-process-to-avoid-stair-step-artifacts-3d-printing-processes\/","url":"https:\/\/facfox.com\/news\/fraunhofer-igd-scientists-develop-new-process-to-avoid-stair-step-artifacts-3d-printing-processes\/","name":"Fraunhofer IGD scientists develop new process to avoid stair-step artifacts 3D Printing Processes - FacFox News","isPartOf":{"@id":"https:\/\/facfox.com\/news\/#website"},"primaryImageOfPage":{"@id":"https:\/\/facfox.com\/news\/fraunhofer-igd-scientists-develop-new-process-to-avoid-stair-step-artifacts-3d-printing-processes\/#primaryimage"},"image":{"@id":"https:\/\/facfox.com\/news\/fraunhofer-igd-scientists-develop-new-process-to-avoid-stair-step-artifacts-3d-printing-processes\/#primaryimage"},"thumbnailUrl":"https:\/\/facfox.com\/news\/wp-content\/uploads\/2022\/07\/d209fefcc969dae868287b3f12bb6a11.jpg","datePublished":"2022-07-30T00:00:00+00:00","description":"Scientists at Fraunhofer IGD \u2013 Mostafa Morsy Abdelkader Morsy, Alan Brunton, and Philipp Urban \u2013 whose \u20183D Printing Technology\u2019 department is responsible for the creation of Cuttlefish, have devised a purely geometric and algorithmic method for the elimination of stair-step artifacts in multi-material 3D printing. To avoid quantization errors, the surface of the object is modulated with a high-frequency signal. This results in geometrically accurate and color-true surfaces. The research team has set down their findings in a paper titled \u2018Shape Dithering for 3D Printing\u2019, which will be published to coincide with SIGGRAPH, the premier conference, and exhibition on computer graphics and interactive techniques \u2013 where the research will be presented by the lead author, Mostafa Morsy Abdelkader Morsy.","breadcrumb":{"@id":"https:\/\/facfox.com\/news\/fraunhofer-igd-scientists-develop-new-process-to-avoid-stair-step-artifacts-3d-printing-processes\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/facfox.com\/news\/fraunhofer-igd-scientists-develop-new-process-to-avoid-stair-step-artifacts-3d-printing-processes\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/facfox.com\/news\/fraunhofer-igd-scientists-develop-new-process-to-avoid-stair-step-artifacts-3d-printing-processes\/#primaryimage","url":"https:\/\/facfox.com\/news\/wp-content\/uploads\/2022\/07\/d209fefcc969dae868287b3f12bb6a11.jpg","contentUrl":"https:\/\/facfox.com\/news\/wp-content\/uploads\/2022\/07\/d209fefcc969dae868287b3f12bb6a11.jpg","width":780,"height":470},{"@type":"BreadcrumbList","@id":"https:\/\/facfox.com\/news\/fraunhofer-igd-scientists-develop-new-process-to-avoid-stair-step-artifacts-3d-printing-processes\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/facfox.com\/news\/"},{"@type":"ListItem","position":2,"name":"Fraunhofer IGD scientists develop new process to avoid stair-step artifacts 3D Printing Processes"}]},{"@type":"WebSite","@id":"https:\/\/facfox.com\/news\/#website","url":"https:\/\/facfox.com\/news\/","name":"FacFox News","description":"News and Insights of 3D Printing and Manufacturing","publisher":{"@id":"https:\/\/facfox.com\/news\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/facfox.com\/news\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/facfox.com\/news\/#organization","name":"FacFox News","url":"https:\/\/facfox.com\/news\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/facfox.com\/news\/#\/schema\/logo\/image\/","url":"https:\/\/facfox.com\/news\/wp-content\/uploads\/2020\/11\/facfox-news-homepg-logo-200px.png","contentUrl":"https:\/\/facfox.com\/news\/wp-content\/uploads\/2020\/11\/facfox-news-homepg-logo-200px.png","width":200,"height":55,"caption":"FacFox News"},"image":{"@id":"https:\/\/facfox.com\/news\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/facfox.com\/news\/#\/schema\/person\/7b701aad2d8f434034fcecd2c50a570c","name":"Vera","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/secure.gravatar.com\/avatar\/bf3b1e47e1f0ed2367da10e343584d5a4adb2e9675fce2aefb04f0ecf3954386?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/bf3b1e47e1f0ed2367da10e343584d5a4adb2e9675fce2aefb04f0ecf3954386?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/bf3b1e47e1f0ed2367da10e343584d5a4adb2e9675fce2aefb04f0ecf3954386?s=96&d=mm&r=g","caption":"Vera"},"url":"https:\/\/facfox.com\/news\/author\/vera\/"}]}},"fifu_image_url":"\/news\/wp-content\/uploads\/2022\/07\/213523362212220408.png","_links":{"self":[{"href":"https:\/\/facfox.com\/news\/wp-json\/wp\/v2\/posts\/191895","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/facfox.com\/news\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/facfox.com\/news\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/facfox.com\/news\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/facfox.com\/news\/wp-json\/wp\/v2\/comments?post=191895"}],"version-history":[{"count":0,"href":"https:\/\/facfox.com\/news\/wp-json\/wp\/v2\/posts\/191895\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/facfox.com\/news\/wp-json\/wp\/v2\/media\/191897"}],"wp:attachment":[{"href":"https:\/\/facfox.com\/news\/wp-json\/wp\/v2\/media?parent=191895"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/facfox.com\/news\/wp-json\/wp\/v2\/categories?post=191895"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/facfox.com\/news\/wp-json\/wp\/v2\/tags?post=191895"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}