{"id":100388,"date":"2020-07-17T16:23:06","date_gmt":"2020-07-17T08:23:06","guid":{"rendered":"http:\/\/facfox.com\/?post_type=kb&amp;p=100388"},"modified":"2020-07-17T16:23:06","modified_gmt":"2020-07-17T08:23:06","slug":"bottom-up-vs-top-down-vs-clip-3d-printing","status":"publish","type":"kb","link":"https:\/\/facfox.com\/docs\/kb\/bottom-up-vs-top-down-vs-clip-3d-printing","title":{"rendered":"Bottom-Up vs Top-Down vs CLIP 3D Printing"},"content":{"rendered":"<p>When purchasing a light-curing 3D printer for practice, it is important to understand how the various styles of 3D printers differ from one another and how this can impact print speed and quality.<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-100389 aligncenter\" src=\"https:\/\/facfox.com\/wp-content\/uploads\/2020\/07\/DigitalWorkflow.0021-1024x451-1.jpeg\" alt=\"\" width=\"1024\" height=\"451\" \/><\/p>\n<h2><strong>There are 3 basic styles of 3D printing:<\/strong><\/h2>\n<ul>\n<li><strong>Bottom-Up Printing,<\/strong> where the resin is cured through a window at the bottom of the vat by a light source from below. <strong>In this style of printing, the build platform is raised out of the resin vat and a \u2018peel\u2019 step is required between each layer<\/strong> in order to detach the cured material from the bottom of the vat. This \u2018peel\u2019 step is by far the slowest part of SLA printing with most modern light sources.<br \/>\n<em>Printer Examples: Formlabs Form2, Envisiontec Vida, Structo Orthoform, etc. <\/em><\/li>\n<li><strong>Top-Down Printing<\/strong>, where the resin is cured by a light source above the vat, and the build platform is lowered down into the resin vat. <strong>Rather than a series of alternating light exposures and \u2018peel\u2019 steps this style of printing uses continuous light exposure (like a movie) to cure the resin<\/strong> and can achieve exceptionally high print speeds due to the lack of a \u2018peel\u2019 step.<br \/>\n<em>Printer Examples: Juell Flash OC<\/em><\/li>\n<li><strong>Continuous Liquid Interface Production (CLIP)<\/strong>, where the resin is cured <em>through an oxygen-permeable window<\/em> at the bottom of the vat by a light source from below. <strong>The oxygen layer over the window keeps the resin from sticking to the vat and continuous light exposure can be utilized because no \u2018peel\u2019 step is required.<\/strong> CLIP essentially is a bottom-up printing technique without the \u2018peel\u2019 step, so top-down style print speeds can be achieved. CLIP technology is currently very cost-prohibitive.<br \/>\n<em>Printer Examples: Carbon M1<\/em><\/li>\n<\/ul>\n<h2>Why the bottom-up-and-peel 3D printers are most popular?<\/h2>\n<p>Most consumer SLA printers, and those in use in orthodontics, will utilize bottom-up-and-peel techniques for several reasons:<\/p>\n<ul>\n<li>Less resin is required to fill the vat if a part is being pulled out of the resin versus being lowered into the resin so less resin has to be purchased at once.<\/li>\n<li>Since a smaller resin vat is needed, bottom-up printers can be built smaller and they tend to have fewer mechanical parts, such as leveling devices submerged in resin.<\/li>\n<li><strong>Manufacturers see the resin vats and windows used for bottom-up printers as a profit-generating consumable<\/strong> since they will have to be replaced somewhat frequently due to wear and tear.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>When purchasing a light-curing 3D printer for practice, it is important to understand how the various styles of 3D printers differ from one another and how this can impact print speed and quality. There are 3 basic styles of 3D printing: Bottom-Up Printing, where the resin is cured through a window at the bottom of [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":100389,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"kbtopic":[45],"kbtag":[304,89,305],"class_list":["post-100388","kb","type-kb","status-publish","has-post-thumbnail","hentry","kbtopic-tech","kbtag-clip","kbtag-sla","kbtag-stereolithography"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.1 (Yoast SEO v27.1.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Bottom-Up vs Top-Down vs CLIP 3D Printing - FacFox Docs<\/title>\n<meta name=\"description\" content=\"When purchasing a light-curing 3D printer for practice, it is important to understand how the various styles of 3D printers differ from one another and how this can impact print speed and quality.\" \/>\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\/docs\/kb\/bottom-up-vs-top-down-vs-clip-3d-printing\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Bottom-Up vs Top-Down vs CLIP 3D Printing\" \/>\n<meta property=\"og:description\" content=\"When purchasing a light-curing 3D printer for practice, it is important to understand how the various styles of 3D printers differ from one another and how this can impact print speed and quality.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/facfox.com\/docs\/kb\/bottom-up-vs-top-down-vs-clip-3d-printing\" \/>\n<meta property=\"og:site_name\" content=\"FacFox Docs\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/facebook.com\/facfox3d\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@facfox3d\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/facfox.com\/docs\/kb\/bottom-up-vs-top-down-vs-clip-3d-printing\",\"url\":\"https:\/\/facfox.com\/docs\/kb\/bottom-up-vs-top-down-vs-clip-3d-printing\",\"name\":\"Bottom-Up vs Top-Down vs CLIP 3D Printing - 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