Sometimes I have acrylic yarn that I really disliked or I used some to make doll hair and kept the fluffy leftovers.
I use them as fillings too. I brush the whole yarn as if I were to make more doll hair but just keep everything fluffy for a good filling.
I use for fillings, sintepon or holofayber, they keep the shape of toys well and quickly dry after cleaning. I also saw toys that were filled with herbs and paralon or grain.
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Yo siempre he usado el relleno que se usa para las almohadas, pero en especial uno que se dice nube, porque es menos compacto y no se hace bola con el tiempo
As i clean som raw fleeces, i keep the clean waste from combed fibers to fill, of use polyester :)
Sometimes, to give armes or feet more weight, I use plastic peebles.