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Why does the um2 slow for the last layers?

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Just curious but, why does the printer slow for the last few layers, i was just thinking about it and couldn't think of a reason, so i thought id ask, its just that ive started to print a few small things and it melts the hell out of them unless i guess print stuff alongside them to stop the nozzle staying in the same place too long? Im not even sure its cooling down the temp to compensate, is there a way to disable this 'feature'?

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Its the minimum layer time. the minimum layer time slows the print speed if it would normally take less time to print that layer.

It can be a hard thing to correct. you can use cool head lift, print a small tower next to the print to allow for more cooling or print 2 items at the same time.

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