The pictures make them look almost textured / ridged, is that noticeable when you hold it? I went through quite a bit of effort to sand my prototype (it's PLA,

The pictures make them look almost textured / ridged, is that noticeable when you hold it? I went through quite a bit of effort to sand my prototype (it's PLA, can't be acetone-smoothed), and I think it's nicer for it, but maybe the Ploopy's material (ABS?) feels nice enough un-smoothed.