{"action":"created","issue":{"url":"https://api.github.com/repos/alexrj/Slic3r/issues/4313","repository_url":"https://api.github.com/repos/alexrj/Slic3r","labels_url":"https://api.github.com/repos/alexrj/Slic3r/issues/4313/labels{/name}","comments_url":"https://api.github.com/repos/alexrj/Slic3r/issues/4313/comments","events_url":"https://api.github.com/repos/alexrj/Slic3r/issues/4313/events","html_url":"https://github.com/alexrj/Slic3r/issues/4313","id":298897973,"number":4313,"title":"No slowdown of external perimeter when infill is printed","user":{"login":"MacFlieger","id":17741479,"avatar_url":"https://avatars1.githubusercontent.com/u/17741479?v=4","gravatar_id":"","url":"https://api.github.com/users/MacFlieger","html_url":"https://github.com/MacFlieger","followers_url":"https://api.github.com/users/MacFlieger/followers","following_url":"https://api.github.com/users/MacFlieger/following{/other_user}","gists_url":"https://api.github.com/users/MacFlieger/gists{/gist_id}","starred_url":"https://api.github.com/users/MacFlieger/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/MacFlieger/subscriptions","organizations_url":"https://api.github.com/users/MacFlieger/orgs","repos_url":"https://api.github.com/users/MacFlieger/repos","events_url":"https://api.github.com/users/MacFlieger/events{/privacy}","received_events_url":"https://api.github.com/users/MacFlieger/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":1,"created_at":"2018-02-21T09:34:23Z","updated_at":"2018-02-23T06:23:14Z","closed_at":null,"author_association":"NONE","body":"### Version\r\n\r\n1.3.0-dev-5fd87df\r\n### Operating system type + version\r\n\r\nOS X 10.12.6\r\n### Behavior\r\n\r\nI have enabled \"Auto cooling\" and slow down printing if the print time is below 10s with minimum print speed of 1mm/s.\r\n\r\nIf the print time for one layer ist below 10s, the auto cooling does not slow down the printing of external perimeters if the infill is above 0%.\r\n\r\nIt is easy to replicate, even as dry run:\r\n- cube with 20mm size\r\n- perimeter:2\r\n- infill: 0% or 5% Rectilinear\r\n- speed for perimeter 60mm/s\r\n- \"auto cooling\" enabled with slow down printing if the print time is below 10s with minimum print speed of 1mm/s.\r\n\r\n1. Speeds Without Infill (0%) works as expected:\r\n- internal perimeter: 15.22mm/s (G1 F913.34)\r\n- external perimeter: 15.22mm/s (G1 F913.34)\r\n\r\n2. Speeds With Infill (5% Rectilinear) does not slow down external perimeter:\r\n- internal perimeter: 16.1mm/s (G1 F965.795)\r\n- external perimeter: 60mm/s (G1 F3600)\r\n- infill: 16.1mm/s (G1 F965.795)\r\n"},"comment":{"url":"https://api.github.com/repos/alexrj/Slic3r/issues/comments/367921549","html_url":"https://github.com/alexrj/Slic3r/issues/4313#issuecomment-367921549","issue_url":"https://api.github.com/repos/alexrj/Slic3r/issues/4313","id":367921549,"user":{"login":"MacFlieger","id":17741479,"avatar_url":"https://avatars1.githubusercontent.com/u/17741479?v=4","gravatar_id":"","url":"https://api.github.com/users/MacFlieger","html_url":"https://github.com/MacFlieger","followers_url":"https://api.github.com/users/MacFlieger/followers","following_url":"https://api.github.com/users/MacFlieger/following{/other_user}","gists_url":"https://api.github.com/users/MacFlieger/gists{/gist_id}","starred_url":"https://api.github.com/users/MacFlieger/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/MacFlieger/subscriptions","organizations_url":"https://api.github.com/users/MacFlieger/orgs","repos_url":"https://api.github.com/users/MacFlieger/repos","events_url":"https://api.github.com/users/MacFlieger/events{/privacy}","received_events_url":"https://api.github.com/users/MacFlieger/received_events","type":"User","site_admin":false},"created_at":"2018-02-23T06:23:14Z","updated_at":"2018-02-23T06:23:14Z","author_association":"NONE","body":"I don't think so.\r\n\r\nFirst: This behavior is new. With older versions it works as expected. Every movement except travel was slowed down. I don't know, at which version the behavior changed.\r\n\r\nSecond: As I have described, the external perimeter is only fast, if infill is present. Your assumption \"if(infill OR (perimeters > 1)) then leave the exterior perimeter speed alone and slow down the reast.\" doesn't describe the actual behavior. The external perimeter is slowed down even if perimeter>1 and no infill.\r\n\r\nThird: The appearance of the printed part is much more worse if the speeds change so much in one layer from internal to external perimeter than by changes from one layer to another.\r\n\r\nI have reported another slow down issue nearly 2 years ago: https://github.com/alexrj/Slic3r/issues/3325\r\nThere was no slowdown of all movements if the option \"verbose output\" was not checked..."}}
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