The Fibonacci House in Procter, B.C., boasts spectacular views of the nearby mountains — but that’s not what makes the tiny home a one-of-a-kind vacation rental.

It is Canada’s first 3D printed house — a spiral structure with a standout feature: Curved walls. (It was inspired by — and named after — the mathematical Fibonacci sequence.)

Also known as additive manufacturing, 3D printing is a process where an object is built using layers of materials as directed by a digital design.

While 3D-printed construction is still considered to be in its infancy, advocates say that in the future, the technology could be used to build houses with unique designs quickly and more cheaply, with less of a need for scarce skilled labour.  

Ian Comishin is the president of Twente Additive Manufacturing, the company behind the Fibonacci House, which is listed on Airbnb. He said 3D printing allows builders to construct complex, curved walls for the same price as a straight wall.

“So now, architectural features that are exciting or adding aesthetics can be done for virtually no cost comparison,” he said. 

How it works

To construct such a home, the building is first designed digitally. Designers determine which aspects of the house can be 3D printed; typically, it’s parts like foundations and walls made of concrete — a material that lends itself well to 3D printing. The instructions are then sent to a robotic printer, which can either build the elements at the construction site or elsewhere, like in a factory.

The walls of the Fibonacci House were printed off-site in 11 days, then brought to the build location for workers to assemble.

“The robot itself has a hose and a nozzle,” Comishin said.

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