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the infill. If your infill appears to be weak or stringy, you may want to adjust a few
settings within the software to add additional strength to this section of your print.
13.1 Increase infill density
In printing process, the fill density print has a great influence to its strength.
If the infill density is very low, there will be a large number of empty gaps in the
interior. Increase infill density appropriately can make print more firmly.
13.2 Lower print speed
The infill is typically printed faster than any other portion of your 3D print. If
you try to print the infill too fast, the extruder won’t be able to keep up and you
will start to notice under-extrusion on the inside of your part. This underextrusion
will tend to create weak, stringy infill since the nozzle is not able to extrude as
much plastic as the software would like. If you have tried several infill patterns,
but continue to have problems with weak infill, try reducing the print speed. To do
this, click “Advanced” and select the Speed.
Adjust the “Infill speed”, which directly controls the speed that is used for the infill.
For example, if you were previously printing at 60mm/s, try decreasing that value
by 50% to see if the infill starts to become stronger and more solid.
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