%0 Journal Article %A Paulus Gerdes %T A Nuer dance rattle (South Sudan): Plaiting an octahedral shape %J Visual Mathematics %D 2012 %V 14 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/VM_2012_14_3_a0/ %F VM_2012_14_3_a0