Definitely good to know!

cutting a circle skirt into degrees shapes the folds of the skirt. Circle skirt, a skirt cut in sections to make one or more circles with a hole for the waist, so the skirt is very full but hangs smoothly from the waist without darts, pleats, or gathers

Mélimélo: Dirndl Teil 1

COSTUME: the German Dirndl, the real deal. you need to translate this, or learn the language- it's not in English:) Mélimélo: Dirndl Teil 1