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I have an STL file and I would like to know how many grams would this print consume. Is there a software so I can get it or an online link that can say me that?

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You can not tell this by looking at the STL file alone, because how much material will be used depends on the print settings (obviously, printing at 100% infill will consume much more material than 10%).

The best way to check the material usage is to load the model into a slicer and slice it using your preferred settings. Most slicers will report the projected material usage, often in grams but sometimes in meters of filament (but the two figures are easily converted between each other if you know the density and diameter of your material).

Here is an example in the Cura slicer:

Cura print statistics

Simplify3D (after you click "prepare to print!") also shows you the projected print time and material usage and even the cost of the material (if you have previously entered the material cost per kilogram):

Simplify3D print statistics

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  • $\begingroup$ Hi, I installed cura and imported and STL file but I dont have a printer connected to my computer (it's still being shippped), so how do I see the amount of material the will be used (aproximatelly yof course)? $\endgroup$ – Samul Mar 15 '17 at 13:24
  • $\begingroup$ Have you checked to see how accurate are Cura's estimates? I use makerware and I've found their estimates to be fairly wrong. In excess of 15% error. Just wondering if Cura would be any better. $\endgroup$ – Diesel Mar 15 '17 at 13:25
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    $\begingroup$ @Samul You don't need a printer connected to your computer. Just load a model and slice it. $\endgroup$ – Tom van der Zanden Mar 15 '17 at 13:46
  • $\begingroup$ @Diesel I don't think the (in)accuracy of the estimates is due to the slicer. It should give a 100% accurate value; any deviation is due to (1) the printer not extruding as much as the slicer tells it to (2) the filament having a different diameter than configured (3) the filament having a different density than configured. $\endgroup$ – Tom van der Zanden Mar 15 '17 at 13:49
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    $\begingroup$ @HansRudel That's a new, separate question. As a side note, in some slicers you can indicate you want to start printing from a given layer - the slicer would probably give you an estimate then. $\endgroup$ – Tom van der Zanden Feb 15 '18 at 12:32
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Slic3r will calculate the weight after you have exported the G-Code.

Normally, you'll only see the "Info" box. But after saving as G-Code, there's a "Sliced Info" which mentions the weight according to the settings you made (filament type and infill).

That's how it looks like:

enter image description here

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Some slicing programs will give this information. Here is the first comment at the end of the print, which gives volume and length of material used, from gcode generated by Slic3r:

 ; filament used = 388.6mm (0.9cm3)

According to ToyBuilder Labs, ABS is 1.04 g/cm3, so 0.9 * 1.04 = 0.936, or just under one gram.

In the G-code file produced by the slicer, search for "filament" or "M30" - it's right after the M30. You might need to use the verbose G-code option.

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This is a link I found that analyzes your G-code ( filament usage, time, etc.): gCodeViewer

From the description (emphasis is mine):

  • Analyze GCode
    • Print time, amount of plastic used, layer height, etc. for whole file and for single layer

Here is a screenshot:

Screenshot

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