Arabella Mia Pearce Calla

I'm an interdisciplinary designer working at the intersection of nature, psychology, and sustainability. A Royal College of Art and NSCAD graduate, I'm the inventor of Sweet Cheeks Nappies, a plant-based diaper that won the Hyundai Award for Excellence in Sustainability and Creative Practice and was exhibited at the London Design Festival.

I'm a designer whose work sits where nature, human behaviour, and sustainability meet. I'm drawn to design that does more than look good: design that solves real problems, respects the planet, and understands the people it's made for. That belief runs through everything I make, from products and materials to brand and campaign work.

Developing my material in the BioMaterials Lab

My path began at NSCAD University in Canada, where I earned a Bachelor of Design in Interdisciplinary Design and worked across product design, packaging, branding, advertising, and early biomaterial development, always with sustainability at the centre of my projects. I went on to complete a Master of Arts in Design Products at the Royal College of Art in London, the world-renowned home of design innovation, where I developed a year-long, self-directed research project. Alongside my degrees, I completed the RCA x Design for Good Academy programme, designing for the United Nations Sustainable Development Goals, which deepened my commitment to using design as a tool for systemic, positive change.

It was at the RCA that I invented Sweet Cheeks Nappies (project not displayed on website due to a patent in process), a disposable, plant-based diaper made without superabsorbent polymers and derived from agricultural waste, including banana pseudostem fibre. I conceived, researched, and prototyped it independently, working alongside the college's materials science and biomaterials facilities to turn the idea into a working product. The project went on to win the Hyundai Award for Excellence in Sustainability and Creative Practice in the Innovation category, judged by leading figures in global design including Eduardo Ramírez, Chief Designer of Hyundai Design Europe, and Peter Schreyer, Executive Design Advisor for the Hyundai Motor Group and one of the most influential car designers in the world. The project was also selected for exhibition at the London Design Festival. Alongside this, I was accepted into InnovationRCA's high-growth start-up incubation programme, reaching the final five, an experience that taught me how to grow an idea into a viable venture.

My practice is deliberately interdisciplinary. I combine design research, psychology, and behaviour studies with hands-on making and material innovation, drawing on biomimicry and the natural world as a constant source of inspiration. Whether I'm developing a new material, shaping a product, or building a brand and campaign, I bring together the analytical and the creative to make work that is thoughtful, beautiful, and genuinely better for the world.