Hello!

My name is Osa Rosti, and I'm a papier-mâché artist.

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My journey with papier-mâché began in kindergarten, when I made my very first puppet head. I still remember the joy of shaping something with my hands from such a simple material. Little did I know then that this would grow into a lifelong passion.

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I studied Silversmithing, Jewellery Design, and Allied Crafts at London Guildhall University, graduating in 2003. While exploring different mediums, I always found myself returning to papier-mâché. Its accessibility and versatility continue to fascinate me — just paper, glue, and a spark of imagination, and the possibilities are endless.

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For over 15 years, I’ve been creating sculptures, wall hangings, and home décor pieces, ranging from tiny ornaments to life-sized works. I work with both traditional papier-mâché techniques: layering strips and using my own custom pulp recipes, which make my pieces strong and durable. With the right care, they can last a lifetime — just like the ancient papier-mâché artifacts that have survived for over 2,000 years.

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My latest collection focuses on decorative wall masks, inspired by the rich history of mask-making across cultures. I love to experiment with whimsical designs, bold colors, and asymmetrical shapes, always aiming to bring a sense of playfulness and magic to my work.

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Alongside creating, I also share my passion through workshops for schools, companies, and the general public. Teaching gives me the chance to pass on my knowledge, inspire others, and explore creativity together. Nothing makes me happier than seeing the joy that comes from making something by hand — and the smiles that follow.