Changeing speed of print live only affects perimeters, not infill


I'm running firmware 3.1.1 b143 RC4 on my I3 MK3 and a speed change done online while printing only affects the perimeter speed, not the infill. It seems that has not change in the latest firmware 3.1.1 b150 RC5, right?

The problem is that you cannot tune the printer down to inaudible speeds (for night time printing) that way. The stealth mode helps a bit but the high infill speed just remains the same when I additionally want to use a lower speed setting.

Could you change that please (make infill speed decease like perimeter speed) or is there a reason for how speed down-tuning works right now?


Answer this question I have this problem too

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Hi Guntor,

have you tried lowering the speed in the Slic3r PE? There is a tab with all the speeds, or do you need to change the speeds on-the-fly?

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yes, I want to change the speeds on-the-fly. That's what I meant by "a speed change done online while printing". At the moment, it only affects the perimeter printing speed, not the infill. :(


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Could you respond please? I added an answer to your question quite a while ago. Thanks! :)

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Guntor H will be eternally grateful.
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