"Mass Produced Fap-Fuel". Cheap template hentai, quickly drawn with technical drawing skills rather than with artistic talent. Usually a combination of Bézier curves, shadows and gradient floodfill. Better than ugly childish scribble DevianTart is full of, MPFF is relatively good on first look but, on second look, it's repetitive, boring and lacks of details. Copy-paste is visible sometimes, and the whole picture takes 20..30 minutes to draw.
Don't post your MPFF in this thread. You make others dig in the mountain-high pile looking for something better than your samey template shit. If you do, next ban will be permanent.