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smartavionics / Cura

3D printer / slicing GUI built on top of the Uranium framework
GNU Lesser General Public License v3.0
175 stars 11 forks source link

Gradual infill step height Broken #132

Open MakManIfest opened 3 years ago

MakManIfest commented 3 years ago

Application version 20210908

Platform Windows 10 Pro

Printer Custom - Voxelab Aquila

Reproduction steps Using Gradual Infill Steps and Gradual Infill Step Height

Screenshot(s) bug1 bug2 bug3
popular desktop screen resolutions

Actual results Cura increases the infill according to the parameters for a single layer then reverts to lower infill for a number of layers that seems to be tied to the Gradual Infill Step Height some how. I have tried different Gradual Infill Step Heights but this increases or decreases the number of lower infill layers between the single denser infill layer.

Expected results In Cura 4.11 vanilla, the infill is varied according to the parameters Gradual Infill Steps at the Gradual Infill Step Height relative to the 1st top layer. This Is what I would expect to also happen in 20210908.

Project file I cant share the fang I'm trying to slice due to it's license but there is an earlier version on thingyverse that I have tinkered to reproduce the same issue. 3fm - https://mega.nz/file/TDIAWJoR#WZZILfvy0-JPypTy2WoKtSaRf3kb0c3ePShTkoCBiIo STL - https://mega.nz/file/uGYykZ7S#HzXkZsNPNUMN7-AZsOrb91H7tVkiX9oWTBOkMrdKFYs

Log file Cura.log - https://mega.nz/file/DSRynZgT#kZ0lNyK3EyyubbKx84ZtlkOFZPXO3427BR--7Sxif9Y

Additional information I need the Fang to be lite so I'm using low infill with 2 walls and I'm printing in PETG so I need the infill density to increase near the top layer so the top layers form properly without holes. Previously I have been slicing in S3d and use multiple processes to vary the infill density and pattern around 3 layers below the 1st top layer until either the top has formed or the geometry of the object allows me to reduce it again without the risk of holes forming. Looking back into Cura as it has some cool features and S3d seems to stalled.

MakManIfest commented 3 years ago

I would like to add that slicing a simple cube with these settings seems to produce the expected result.

smartavionics commented 3 years ago

Thanks for the report, I will investigate.

smartavionics commented 3 years ago

Hi, I have fixed a problem with the skin support feature not working in conjunction with the gradual infill feature but I have noticed that the honeycomb pattern doesn't work well with gradual infill as it generates multiple lines lying on top of each other.