[Top layers line Falling in Infill]

Dense infill under solid layer

Someone is working on PrusaSlicer:

 

 

 

 if the infill% is under 40%, it search a supported area under each solid surface, with only straight lines between perimeters. When it find one, it use a special infill process that lay a perimeter (with overlap, so it's ~supported by the current internal perimeter and then a 42% rectilinear infill inside it. This will prevent any curling that may ruin your top surface, and ensure everything can be supported even with an infill ratio of 0%

note: beta feature, not yet in the release package. It will replace the manual dense infill.

left	right
feature activated	without

 

 

This interface can have lower infill density (50 - 90 %) so the bridges can interleave and the same infill type can be used (most of types cannot reach 100 %).

 

[Top layers line Falling in Infill]

15 hours ago, Smithy said:

I don't think there is a need for such a feature. You still need some layers for the top to get a nice surface, so it doesn't matter if the first layer above the infill is nice and clean or not.

I normally print in ABS that curl up in such cases and the nozzle then hit that curling damaging the whole layer and subsequent print. 

Also some time some of the features are printed in air in the gaps of infill.. Overall this feature will not only improve the performance but will save time, filament usage and offcourse money.

[Top layers line Falling in Infill]

My question ... is the solution in above picture possible... or what the cura programmers look on this... !!!

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Some of my work for silicone mold making

 

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14 hours ago, Smithy said:

Impressive, I guess it was a lot of work and much support material 🙂 

Yaa a lot of work... These are all independent components glued together...

[Top layers line Falling in Infill]

As the bridging option has already been added in newer updates of cura...I hope the cura team will look into the above posted sketch and make some custom boundaries on existing infill as shown .. This will be a wonderful addition...

[Top layers line Falling in Infill]

Dear  Mr. Klien,

Thanks for answering... Actually you are right to increase the layer density and the layer direction changes... But providing this feature in the Cura will save more material and money i think.

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I printed this model last month..

[Top layers line Falling in Infill]

Hi,

This is my first post and first question. Is their any feature in Cura that avoid falling of top layer in the infill. Please see the picture .