Of course
By the way, according the color-scheme the yellow parts in my images should be related to the top/bottom structures. I'm pretty sure I've messed with about every setting in that menu, as well as the walls menu, still no idea.
GregValiant 1,342
You printer is there but I don't have a definition file for it so the printer wouldn't load for me. The part came in though. It looks like a solid. I adjusted to 0% infill and a single wall, .4 top and bottom thickness, with .4 nozzle and .2 layer height. The slice looks pretty much like what you show.
When Cura (or any slicer) cuts a section through a model, it is always in the XY. When you tell the slicer that you want a wall thickness of .4 then the slicer does a calculation based on a thickness perpendicular to the exterior surface. When the model is near vertical the .4 will be .4 in the slice. As the angle of the surface to the build plate approaches zero then the width of the plastic laid in a horizontal slice increases as a trig function of the angle. Those yellow lines are "skin" but think of them as outerwall. Cura is attempting to keep your wall thickness .4 (or whatever) even though a wall might be nearly horizontal. If you look at Layer 3 in the Cura preview I think you will see what I mean. The center area has no plastic because the .4 bottom thickness has been met but the surrounding area requires more plastic for the wall thickness to stay at .4.
You may be able to get rid of some of that by using Adaptive Layers. A lower layer height will decrease the amount of yellow you see, but it isn't going to go away so long as some areas are near horizontal to the build plate.
GregValiant 1,342
Yes,
What you mentioned makes sense. This is effect is probably made even worse by the polygenistic (I made that word up) surfaces approximation of the original .stl file.
I've reduced the layer height from 0.4 to 0.1 and it greatly improves the issue. For documentation I made the images to show the result.
Thanks for the explanation!
GregValiant 1,342
Yes, that is the little known polygenistic effect. It's exactly like the "Snot Factor" only different.
GregValiant 1,342
If you change the Skin Wall Count to 0 and the Skin Overlap Percentage to 30% I think the top will have a better chance of finishing without the loops falling into the interior.
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GregValiant 1,342
If you would go to the Cura File menu and use "Save Project" and post the 3mf file here someone can take a look. A project 3mf will contain your printer and all your settings and is very helpful.
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