{"id":3355,"date":"2014-10-22T10:26:59","date_gmt":"2014-10-22T09:26:59","guid":{"rendered":"http:\/\/t-machine.org\/?p=3355"},"modified":"2014-10-22T10:30:20","modified_gmt":"2014-10-22T09:30:20","slug":"makerbot-replicator2-upgrade-new-fan-duct","status":"publish","type":"post","link":"http:\/\/new.t-machine.org\/index.php\/2014\/10\/22\/makerbot-replicator2-upgrade-new-fan-duct\/","title":{"rendered":"Makerbot Replicator2 Upgrade: new fan duct"},"content":{"rendered":"<p>I reviewed a whole bunch of these on Thingiverse, and the best combination of simplicity and effectiveness <a href=\"http:\/\/www.thingiverse.com\/thing:140254\">appeared to be this one<\/a>:<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/thingiverse-production.s3.amazonaws.com\/renders\/8f\/f7\/10\/bc\/80\/Downward_Blower_Duct_preview_featured.jpg\"\/><\/p>\n<p>&#8230;but you want to print these at 0.1mm layer height, or less, and that&#8217;s difficult with the model above. So I tweaked it a bit:<\/p>\n<p><strong>NOTE: The WordPress authors can&#8217;t be bothered to implement safe\/secure uploads; instead, they block ALL uploads (which is very stupid and doesn&#8217;t solve ANY security problems). This file has to be renamed when you download it. Stupid, stupid, stupid programmers.<\/strong><\/p>\n<p><a href=\"http:\/\/t-machine.org\/wp-content\/uploads\/Wordpress-Is-CRAP.stl_.txt\">WordPress Is CRAP.stl<\/a><\/p>\n<h2>Changes<\/h2>\n<p>The original model has two small circular screw-holes. Makerbot printers can&#8217;t print these very well &#8211; Both the official slicer, and the main commercial \/ open-source slicers get it wrong and print the holes in a bad way (untethered; it&#8217;s an obvious heuristic to fix, but no-one has implemented this yet). Net effect: the holes slide about during layer 2, and usually detach, and ruin the print.<\/p>\n<p>To fix this, I cut a slice out of each hole, making them into hooks. This follows the design of Makerbot&#8217;s original fan duct, and makes the print easy to do even at high speed and low layer-height.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>I reviewed a whole bunch of these on Thingiverse, and the best combination of simplicity and effectiveness appeared to be this one: &#8230;but you want to print these at 0.1mm layer height, or less, and that&#8217;s difficult with the model above. So I tweaked it a bit: NOTE: The WordPress authors can&#8217;t be bothered to [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[71],"tags":[],"_links":{"self":[{"href":"http:\/\/new.t-machine.org\/index.php\/wp-json\/wp\/v2\/posts\/3355"}],"collection":[{"href":"http:\/\/new.t-machine.org\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/new.t-machine.org\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/new.t-machine.org\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/new.t-machine.org\/index.php\/wp-json\/wp\/v2\/comments?post=3355"}],"version-history":[{"count":3,"href":"http:\/\/new.t-machine.org\/index.php\/wp-json\/wp\/v2\/posts\/3355\/revisions"}],"predecessor-version":[{"id":3360,"href":"http:\/\/new.t-machine.org\/index.php\/wp-json\/wp\/v2\/posts\/3355\/revisions\/3360"}],"wp:attachment":[{"href":"http:\/\/new.t-machine.org\/index.php\/wp-json\/wp\/v2\/media?parent=3355"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/new.t-machine.org\/index.php\/wp-json\/wp\/v2\/categories?post=3355"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/new.t-machine.org\/index.php\/wp-json\/wp\/v2\/tags?post=3355"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}