How Mesh Texture Changes the Way We See Layer Lines in 3D Prints
Print the same model twice on the same machine, with the same slicer profile and the same filament. Give one of them a surface texture before you slice, and leave the other one smooth. Put both under a desk lamp. The smooth one looks 3D printed.The textured one looks like an object. Nothing about the print quality changed. The layer height, the wall count, the temperatures were identical.
That gap has bothered me for years, and the explanation turned out to have almost nothing to do with 3D printing. It is about how vision works.
Sanding the layer lines off a Benchy, the slow way
Your eyes are a regularity detector
Human vision is very good at one specific thing: finding a regular pattern against a plain background. This is not an accident, it is most of what the early visual system is for. Edges, repetition, and...
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