{"id":2747,"date":"2013-09-03T07:26:43","date_gmt":"2013-09-03T12:26:43","guid":{"rendered":"http:\/\/www.summet.com\/blog\/?p=2747"},"modified":"2013-09-03T13:43:25","modified_gmt":"2013-09-03T18:43:25","slug":"yoda-busts","status":"publish","type":"post","link":"https:\/\/www.summet.com\/blog\/2013\/09\/03\/yoda-busts\/","title":{"rendered":"Yoda Bust(s)"},"content":{"rendered":"

I have been printing Yoda busts on my Rostock Mini.
\n\"yoda_on_printer\"<\/a><\/p>\n

The first (small) sized one printed very well, but I had some problems when I tried scaling up to 160% size.
\n\"largeYodaHead\"<\/a><\/p>\n

If you look closely, it has a small discontinuity just above the eyes. (It looks like the top of his head was sliced off and put back on slightly “off”.)
\n\"yoda_medium_slice\"<\/a><\/p>\n

It looks like one of my axis lost a step, so I ran through various diagnostics (more airflow over the stepper drivers, higher current to the steppers, upgrading my slicing software, etc) and eventually the problem got worse:
\n\"lobotomized_yoda\"<\/a><\/p>\n

Then I heard some squeaking from my 3D printer and started to move things around manually to isolate it and I realized that my straight rods and linear bearings were dry. The final solution was to oil my straight rod and liner bearings, although I can’t confirm that the upgrade to Slic3r didn’t also help things out. All in all, it only took four tries to get things right:<\/p>\n

\"four_yodas\"<\/a><\/p>\n

So now I have a large yoda head to float on my desktop levitation box:
\n\"floating_yada_head\"<\/a> <\/p>\n","protected":false},"excerpt":{"rendered":"

I have been printing Yoda busts on my Rostock Mini. The first (small) sized one printed very well, but I had some problems when I tried scaling up to 160% size. If you look closely, it has a small discontinuity … Continue reading →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[112],"class_list":["post-2747","post","type-post","status-publish","format-standard","hentry","category-projects","tag-rostock-mini"],"_links":{"self":[{"href":"https:\/\/www.summet.com\/blog\/wp-json\/wp\/v2\/posts\/2747","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.summet.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.summet.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.summet.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.summet.com\/blog\/wp-json\/wp\/v2\/comments?post=2747"}],"version-history":[{"count":0,"href":"https:\/\/www.summet.com\/blog\/wp-json\/wp\/v2\/posts\/2747\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.summet.com\/blog\/wp-json\/wp\/v2\/media?parent=2747"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.summet.com\/blog\/wp-json\/wp\/v2\/categories?post=2747"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.summet.com\/blog\/wp-json\/wp\/v2\/tags?post=2747"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}