One man’s trash is another man’s treasure, and the old saying couldn’t be truer of the waste industry. From food to packaging to the construction industry, waste is everywhere—but sometimes it can be turned into something more.
Take sawdust, something most companies consider waste. Not Forust. In May, the startup launched a technology that uses upcycled sawdust and other byproducts from the wood industry to make 3D-printed objects that look like traditional wood. A winner in the Materials category of Fast Company’s 2021 Innovation by Design Awards, Forust can create virtually any item, from home goods to intricate architectural detailing. It can also replicate any kind of wood, from ash to mahogany, making it a viable, sustainable replacement to traditional wood.
“There is so much wood in architecture,” says Virginia San Fratello, chair of the design department at San Jose State University and cofounder of Forust. “How could we create a 3D-printed wood product out of this material that is otherwise headed to landfill?” While sawdust is biodegradable, when it decomposes in large quantities in landfills, it releases high concentrations of lignin and fatty acids, which then contaminates water supplies.The team has done early experiments with color, but the biggest challenge remains the scale. Due to the limited size of the printing bed, objects that are larger than around 8 inches have to be made in parts, but San Fratello says they’re finalizing work on a robotic arm that will facilitate much larger-sized objects.
This may sound like a threat to craftsmanship and handmade artifacts, but San Fratello insists the two can coexist. “I don’t think 3D printers and robots are going to take over,” she says. Like a hammer or a table saw, the 3D printer will just be “another tool in the tool kit.”
See more from Fast Company’s 2021 Innovation by Design Awards. Our new book, Fast Company Innovation by Design: Creative Ideas That Transform the Way We Live and Work (Abrams, 2021), is on sale now.
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