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Posted · Adjusting Estimated Print Time

Hi,

 

I have a off brand 3d printer, the estimated print time displayed in Cura is always about 30% less than it actually takes. Is there any way to adjust this so I can get a more accurate display without doing mental arithmetics?

 

Thanks

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    Posted · Adjusting Estimated Print Time

    Not that I know of, sorry. Looked through Cura settings, Cura's configuration file and printer settings definitions. I will be happy if someone more experienced than me can correct me though.

     

    It might be doable in a plugin (I couldn't find any, I really need to learn the Cura API sometime) but on that front your best bet is if @ahoeben has any free time.

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    Posted (edited) · Adjusting Estimated Print Time

    Ah Ha!!  Another beta  tester.

     

    What we have here is a proposed Post Processor that will do this and, as an added bonus (added during the University of Michigan football game yesterday) calculate the "Finish Print" time.

    Unzip the file and put "DisplayInfoOnLCD" into your Configuration Folder in the "scripts" folder.  It will be available like any other post processor under "Extensions/Post Process/Modify Gcode" and then "Add a Script".

     

    Enter the "Time Fudge Factor" as a percentage as "Actual Print Time / Cura Estimate" so in your case the Fudge Factor would be 70%.  Over time you can get it really close.

    The "Finish Print Time" pops up in a message box (when you save the gcode) and uses the Fudge Factor to calculate when the print will end, and adds 10 minutes (to get the print started).  There is an option to turn the message off as it can get annoying when slicing and saving repeatedly.

    DisplayInfoOnLCD.zip

    The message looks a lot like this.

    image.thumb.png.5a9b0a1af342f198248de965e7f1396b.png

    Edited by GregValiant
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    • 1 year later...
    Posted · Adjusting Estimated Print Time
    On 9/10/2023 at 7:45 AM, GregValiant said:

    Ah Ha!!  Another beta  tester.

     

    What we have here is a proposed Post Processor that will do this and, as an added bonus (added during the University of Michigan football game yesterday) calculate the "Finish Print" time.

    Unzip the file and put "DisplayInfoOnLCD" into your Configuration Folder in the "scripts" folder.  It will be available like any other post processor under "Extensions/Post Process/Modify Gcode" and then "Add a Script".

     

    Enter the "Time Fudge Factor" as a percentage as "Actual Print Time / Cura Estimate" so in your case the Fudge Factor would be 70%.  Over time you can get it really close.

    The "Finish Print Time" pops up in a message box (when you save the gcode) and uses the Fudge Factor to calculate when the print will end, and adds 10 minutes (to get the print started).  There is an option to turn the message off as it can get annoying when slicing and saving repeatedly.

    DisplayInfoOnLCD.zip 5.69 kB · 43 downloads

    The message looks a lot like this.

    image.thumb.png.5a9b0a1af342f198248de965e7f1396b.png

     

    I would like to try this but wanted to see if there was a new version before I do. Thank you.

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    Posted · Adjusting Estimated Print Time

    It was added to Cura in 5.7.0.  I haven't made any changes since then.  It can be found under "Extensions / Post Process / Modify Gcode" and then "Add Script".

     

    I haven't had any feedback from anyone so I assume it works for others like it works for me.  I have it active for every print.

    I have found that the Cura estimates are pretty accurate.  I have the fudge factor at 95% and the estimated times shown on the LCD are very close to reality.  I consider an error of only 5% between the actual print time and the Cura guesstimate to be pretty darn good.

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