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printing cilinders with hourglass shape

Posted by luc1an 
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luc1an
printing cilinders with hourglass shape
April 14, 2015 08:29AM
Hi, i am printing PLA with a mini kossel, and i have this issue where cylinders appear in shape like an hourglass. (see attached)
Please advise smiling smiley


Best regards ,
Lucian

Edited 1 time(s). Last edit at 04/15/2015 08:34AM by luc1an.
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open | download - IMG_6115.JPG (281.4 KB)
Dirty Steve
Re: printing cilinders with hourglass shape
April 14, 2015 09:41AM
drop your bed temp after the first layer by 20 or 30 degrees
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luc1an
Re: printing cilinders with hourglass shape
April 15, 2015 06:46AM
should i also drop the hotend temp? (now i am printing PLA @ 205C)
also, how do you feel about a 4cm fan that blows air to cool the printed piece?

Edited 1 time(s). Last edit at 04/15/2015 08:36AM by luc1an.
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Dirty Steve
Re: printing cilinders with hourglass shape
April 15, 2015 10:43AM
no need to drop hot end temp, fan is optional.
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