These 3D printed portable toilets are made from recycled plastic!


These sustainable toilets are designed to compost solid waste while tackling the sanitation crisis – using design and technology to make good sh*t! It’s a solution that eradicates plastic waste and turns it into a building material that reduces the load on landfills. The portable toilet is also absolutely stunning with its white aesthetic and cocoon shape! The first 3D-printed prototype was produced by an advanced seven-axis robotic printer and is currently being tested at a construction site in the Swiss Alps.

Created by Spanish design studio Nagami and To: it’s been dubbed The Throne and features three parts: a teardrop-shaped body, a dramatic double-curved sliding door, and a bucket for solid waste. All parts were printed in three days, including the base and some smaller accessories that were injection molded or commissioned. It also includes a standard separation toilet seat to separate urine from solids for composting.

For the prototype, the teams used used plastic medical equipment from European hospitals. “Our treatment of waste, both human and man-made, has a profound impact on the future of humanity and our planet. Since the 1950s, about 8.3 billion metric tons of plastic have been produced, and only about 9% of that has been recycled; the rest was incinerated, piled in landfills or dumped in our oceans,” said Nachson Mimran, CEO and co-founder of To: Creative Activists.

“The 3D printed throne was an incredible challenge for us, working with mechanisms, sliding doors and off-the-shelf products such as separate toilets. These design components forced us to think in a different way and utilitarian, which really makes this proof of concept special,” said Manuel Jiménez García, CEO and co-founder of Nagami.

Le Trône goes further in its realization of a circular economy by composting the waste produced by users and using this compost locally. Ultimately, the teams want to put technologies and tools in the hands of local communities. When innovation is shared fairly and the carbon footprint created by the logistics and shipping of these products can be significantly reduced. The Throne is just one example of the possibilities of what additive manufacturing can do to scale sustainable design and development – it’s only waste if you waste it!

Designer: Nagami and To:


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