{"id":1831,"date":"2012-12-17T20:31:05","date_gmt":"2012-12-17T20:31:05","guid":{"rendered":"https:\/\/www.shapeways.com\/blog\/archives\/1831-chopper-partitioning-large-models-into-smaller-3d-printable-parts.html"},"modified":"2017-04-17T12:48:48","modified_gmt":"2017-04-17T16:48:48","slug":"chopper-partitioning-large-models-into-smaller-3d-printable-parts","status":"publish","type":"post","link":"https:\/\/www.shapeways.com\/blog\/chopper-partitioning-large-models-into-smaller-3d-printable-parts","title":{"rendered":"Chopper: Partitioning Large Models into Smaller 3D Printable Parts"},"content":{"rendered":"<table border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"600\" id=\"templateContainer\" style=\"border-collapse: collapse; border: 1px solid #bbbbbb; color: #000000; font-family: Times; background-color: #dee0e2;\">\n<tbody>\n<tr>\n<td align=\"center\" valign=\"top\" style=\"border-collapse: collapse;\">\n<table border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"600\" id=\"templateHeader\" style=\"border-collapse: collapse; background-color: #f4f4f4; border-top-width: 0px; border-bottom-width: 0px;\">\n<tbody>\n<tr>\n<td valign=\"top\" class=\"headerContainer\" style=\"border-collapse: collapse;\">\n<table class=\"mcnImageBlock\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"100%\" style=\"border-collapse: collapse;\">\n<tbody class=\"mcnImageBlockOuter\">\n<tr>\n<td class=\"mcnImageBlockInner\" valign=\"top\" style=\"border-collapse: collapse; padding: 0px;\">\n<table class=\"mcnImageContentContainer\" align=\"left\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"100%\" style=\"border-collapse: collapse;\">\n<tbody>\n<tr>\n<td class=\"mcnImageContent\" valign=\"top\" style=\"border-collapse: collapse; padding: 0px;\"><img decoding=\"async\" src=\"https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2012\/12\/chopper3d30e3.jpg\" class=\"mcnImage\" align=\"left\" width=\"600\" style=\"border: 0px; height: auto; line-height: 16px; outline: none; vertical-align: bottom; max-width: 800px; padding-bottom: 0px; display: inline !important;\"><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n<tr>\n<td align=\"center\" valign=\"top\" style=\"border-collapse: collapse;\">\n<table border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"600\" id=\"templateBody\" style=\"border-collapse: collapse; background-color: #f4f4f4; border-top-width: 0px; border-bottom-width: 0px;\">\n<tbody>\n<tr>\n<td valign=\"top\" class=\"bodyContainer\" style=\"border-collapse: collapse;\">\n<table class=\"mcnTextBlock\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"100%\" style=\"border-collapse: collapse;\">\n<tbody class=\"mcnTextBlockOuter\">\n<tr>\n<td class=\"mcnTextBlockInner\" valign=\"top\" style=\"border-collapse: collapse;\">\n<table class=\"mcnTextContentContainer\" align=\"left\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"600\" style=\"border-collapse: collapse;\">\n<tbody>\n<tr>\n<td class=\"mcnTextContent\" valign=\"top\" style=\"border-collapse: collapse; color: #505050; font-family: Helvetica; line-height: 21px; padding: 9px 18px; font-size: 14px;\">\n<h1 style=\"font-size: 26px; line-height: 26px; margin: 0px; color: #202020 !important;\"><\/h1>\n<h3 style=\"font-size: 16px; font-style: italic; font-weight: normal; line-height: 16px; margin: 0px; color: #606060 !important;\"><em>Chopper automatically partitions a given 3D model into parts that are small enough to be 3D printed and assembled into the original model.<\/em><\/h3>\n<\/p>\n<p>A recent paper by Linjie Luo, Ilya Baran, Szymon Rusinkiewicz,&nbsp;Wojciech Matusik of Princeton University presented at SIGGRAPH outlined software designed to partition large 3D models into smaller 3D printable ones.&nbsp; Check out the&nbsp;<a href=\"http:\/\/gfx.cs.princeton.edu\/pubs\/Luo_2012_CPM\/chopper-video.mp4\" target=\"_blank\" style=\"color: #eb4102; word-wrap: break-word !important;\">video of the 3D printed parts being assembled,<\/a> fairly seamless.<\/p>\n<p><em>3D printing technology is rapidly maturing and becoming ubiquitous. One of the remaining obstacles to wide-scale adoption is that the object to be printed must fit into the working volume of the 3D printer. We propose a framework, called <a href=\"http:\/\/gfx.cs.princeton.edu\/pubs\/Luo_2012_CPM\/index.php\" target=\"_blank\" style=\"color: #eb4102; word-wrap: break-word !important;\">Chopper<\/a>, to decompose a large 3D object into smaller parts so that each part fits into the printing volume. These parts can then be assembled to form the original object. We formulate a number of desirable criteria for the partition, including assemblability, having few components, unobtrusiveness of the seams, and structural soundness. Chopper optimizes these criteria and generates a partition either automatically or with user guidance. Our prototype outputs the final decomposed parts with customized connectors on the interfaces. We demonstrate the effectiveness of Chopper on a variety of non-trivial real-world objects.<\/em><\/p>\n<p>This is a great step forward for desktop 3D printers that sometimes have a relatively small build area.&nbsp; We do not see too many projects that are too large to be printed in Shapeways 3D printers other than the occasional architectural model.<\/p>\n<p>Would you use this tool if it were made available?<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table class=\"mcnTextBlock\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"100%\" style=\"border-collapse: collapse;\">\n<tbody class=\"mcnTextBlockOuter\">\n<tr>\n<td class=\"mcnTextBlockInner\" valign=\"top\" style=\"border-collapse: collapse;\">\n<table class=\"mcnTextContentContainer\" align=\"left\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"600\" style=\"border-collapse: collapse;\">\n<tbody>\n<tr>\n<td class=\"mcnTextContent\" valign=\"top\" style=\"border-collapse: collapse; color: #505050; font-family: Helvetica; font-size: 14px; line-height: 21px; padding: 9px 18px;\"> <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table class=\"mcnTextBlock\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"100%\" style=\"border-collapse: collapse;\">\n<tbody class=\"mcnTextBlockOuter\">\n<tr>\n<td class=\"mcnTextBlockInner\" valign=\"top\" style=\"border-collapse: collapse;\">\n<table class=\"mcnTextContentContainer\" align=\"left\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"600\" style=\"border-collapse: collapse;\">\n<tbody>\n<tr>\n<td class=\"mcnTextContent\" valign=\"top\" style=\"border-collapse: collapse; color: #505050; font-family: Helvetica; font-size: 14px; line-height: 21px; padding: 9px 18px;\">Relevant posts from the <a href=\"\/blog\" target=\"_blank\" style=\"color: #eb4102; word-wrap: break-word !important;\">Shapeways Blog<\/a>.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table class=\"mcnImageGroupBlock\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"100%\" style=\"border-collapse: collapse;\">\n<tbody class=\"mcnImageGroupBlockOuter\">\n<tr>\n<td class=\"mcnImageGroupBlockInner\" valign=\"top\" style=\"border-collapse: collapse; padding: 9px;\">\n<table class=\"mcnImageGroupContentContainer\" align=\"left\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"273\" style=\"border-collapse: collapse;\">\n<tbody>\n<tr>\n<td class=\"mcnImageGroupContent\" valign=\"top\" style=\"border-collapse: collapse; padding-left: 9px; padding-top: 0px; padding-bottom: 0px;\"><img decoding=\"async\" src=\"https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2012\/12\/woodjointsb9c36e.jpg\" class=\"mcnImage\" width=\"264\" style=\"border: 0px; height: auto; line-height: 16px; outline: none; vertical-align: bottom; max-width: 478px; padding-bottom: 0px;\"><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table class=\"mcnImageGroupContentContainer\" align=\"right\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"273\" style=\"border-collapse: collapse;\">\n<tbody>\n<tr>\n<td class=\"mcnImageGroupContent\" valign=\"top\" style=\"border-collapse: collapse; padding-right: 9px; padding-top: 0px; padding-bottom: 0px;\"><img decoding=\"async\" src=\"https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2012\/12\/974_768CCE7F1dac972127e8.gif\" class=\"mcnImage\" width=\"264\" style=\"border: 0px; height: auto; line-height: 16px; outline: none; vertical-align: bottom; max-width: 470px; padding-bottom: 0px;\"><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table class=\"mcnTextBlock\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"100%\" style=\"border-collapse: collapse;\">\n<tbody class=\"mcnTextBlockOuter\">\n<tr>\n<td class=\"mcnTextBlockInner\" valign=\"top\" style=\"border-collapse: collapse;\">\n<table class=\"mcnTextContentContainer\" align=\"left\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"282\" style=\"border-collapse: collapse;\">\n<tbody>\n<tr>\n<td class=\"mcnTextContent\" valign=\"top\" style=\"border-collapse: collapse; color: #505050; font-family: Helvetica; font-size: 14px; line-height: 21px; padding: 9px 0px 9px 18px;\"><a href=\"\/blog\/archives\/716-Digital-Wood-Joints-What-can-you-make.html\" style=\"color: #eb4102; word-wrap: break-word !important;\">Digital Wood Joints &#8211; What can you make?<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table class=\"mcnTextContentContainer\" align=\"right\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"282\" style=\"border-collapse: collapse;\">\n<tbody>\n<tr>\n<td class=\"mcnTextContent\" valign=\"top\" style=\"border-collapse: collapse; color: #505050; font-family: Helvetica; font-size: 14px; line-height: 21px; padding: 9px 18px 9px 0px;\"><a href=\"\/blog\/archives\/1671-Disney-Research-3D-Printed-Optics-and-Interfaces-VIDEO.html\" style=\"color: #eb4102; word-wrap: break-word !important;\">Disney Research 3D Printed Optics and Interfaces (VIDEO)<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n<tr>\n<td align=\"center\" valign=\"top\" style=\"border-collapse: collapse;\">\n<table border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"600\" id=\"templateFooter\" style=\"border-collapse: collapse; background-color: #f4f4f4; border-top-width: 0px; border-bottom-width: 0px;\">\n<tbody>\n<tr>\n<td valign=\"top\" class=\"footerContent\" style=\"border-collapse: collapse; color: #808080; font-family: Helvetica; font-size: 10px; line-height: 15px; padding: 18px;\"> <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>Chopper automatically partitions a given 3D model into parts that are small enough to be 3D printed and assembled into&#8230;<\/p>\n","protected":false},"author":12,"featured_media":13897,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[510],"tags":[560,944],"class_list":["post-1831","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-3d-printing-industry","tag-software","tag-whats-hot"],"thumbnail":"https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2012\/12\/974_768CCE7F1dac972127e8.gif","yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v23.9 (Yoast SEO v23.9) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Chopper: Partitioning Large Models into Smaller 3D Printable Parts - Shapeways Blog<\/title>\n<meta name=\"description\" content=\"Chopper automatically partitions a given 3D model into parts that are small enough to be 3D printed and assembled into the original model. A recent paper\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.shapeways.com\/blog\/chopper-partitioning-large-models-into-smaller-3d-printable-parts\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Duann\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.shapeways.com\/blog\/chopper-partitioning-large-models-into-smaller-3d-printable-parts#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.shapeways.com\/blog\/chopper-partitioning-large-models-into-smaller-3d-printable-parts\"},\"author\":{\"name\":\"Duann\",\"@id\":\"https:\/\/prodshapeblog.wpenginepowered.com\/#\/schema\/person\/848d6ff12be3ccf4dc1dcd672000dc28\"},\"headline\":\"Chopper: Partitioning Large Models into Smaller 3D Printable Parts\",\"datePublished\":\"2012-12-17T20:31:05+00:00\",\"dateModified\":\"2017-04-17T16:48:48+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.shapeways.com\/blog\/chopper-partitioning-large-models-into-smaller-3d-printable-parts\"},\"wordCount\":285,\"commentCount\":3,\"publisher\":{\"@id\":\"https:\/\/prodshapeblog.wpenginepowered.com\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.shapeways.com\/blog\/chopper-partitioning-large-models-into-smaller-3d-printable-parts#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2012\/12\/974_768CCE7F1dac972127e8.gif\",\"keywords\":[\"software\",\"What's Hot\"],\"articleSection\":[\"3D Printing Industry\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.shapeways.com\/blog\/chopper-partitioning-large-models-into-smaller-3d-printable-parts#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.shapeways.com\/blog\/chopper-partitioning-large-models-into-smaller-3d-printable-parts\",\"url\":\"https:\/\/www.shapeways.com\/blog\/chopper-partitioning-large-models-into-smaller-3d-printable-parts\",\"name\":\"Chopper: Partitioning Large Models into Smaller 3D Printable Parts - Shapeways Blog\",\"isPartOf\":{\"@id\":\"https:\/\/prodshapeblog.wpenginepowered.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.shapeways.com\/blog\/chopper-partitioning-large-models-into-smaller-3d-printable-parts#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.shapeways.com\/blog\/chopper-partitioning-large-models-into-smaller-3d-printable-parts#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2012\/12\/974_768CCE7F1dac972127e8.gif\",\"datePublished\":\"2012-12-17T20:31:05+00:00\",\"dateModified\":\"2017-04-17T16:48:48+00:00\",\"description\":\"Chopper automatically partitions a given 3D model into parts that are small enough to be 3D printed and assembled into the original model. 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