I'm running a series of parts with 1.4.5.10 in order to evaluate the Loop Gap, and found an anomaly. For these parts, run with natural PLA, I am introducing an optical effect by slicing a fine rez model but lowering the Oversample Resolution, such that the light rays are refracted in a wider dispersion, due to the inner and outer wall surfaces not being parallel. Using a lower OS, however, causes the upper-most layer to drop resolution near to that of a Skirt. All lower layers are as expected, but the top layer goes raspy when OS >= 0.2. Probably is happening at 0.1 (anything > 0.0 makes logical sense) but is at an amount that is masked by the path display resolution aliasing.