method of this invention for the manufacture of a feather quilt in the drawings 1 and 2 denote rectangular upper and lower cloth layers of one equal size in the illustrated embodiment a total of 20 rectangular spaces 3 arranged in five files and four rows between the cloth layers fig1 illustrates the inner side of the upper layer 1 which is similar to that of the lower layer 2 to the inner sides ribbonlike partition pieces 6 are sewed by the edge portion 6a side to all the longitudinal boundaries of the longitudinally and laterally adjoining rectangular spaces and t shaped partition pieces 7 are sewed by the edge portion 7a side to all the lateral boundaries of the aforementioned rectangular spaces both throughout the lengths of the respective boundaries of course it is permissible for the t shaped partition pieces 7 to be sewed by the edge portion 7a side along the longitudinal boundaries 4 and the ribbonlike partition pieces 6 by the edge portion 6a side along the lateral boundaries as will be more specifically described afterward the upper layer 1 the lower layer 2 and the individual partition pieces 6 7 are made of cloth the t shaped partition pieces 7 comprise a ribbonlike partition portion and a projecting portion 8 either formed integrally or separately cut and subsequently joined by sewing or cementing halfway along the edge portion 7b of the ribbonlike partition portion opposite the edge portion 6a the construction described above is not the only one that can be used in the illustrated embodiment the length of the edge portion 6a of each ribbonlike partition piece 6 is slightly smaller than the length 4l of the boundary 4 and the length of.