A handful of builders across Texas, large and small, are using giant automated machines to “print” homes, layer by layer, within weeks if not days.
The “3D printers” control nozzles spouting concrete mix based on programmed coordinates, similar to a desktop 3D printer but at a much larger scale. They only require a small crew to operate.
“In the race to satisfy the demand [for affordable housing], the quality of construction is going down,” said Sebin Joseph, chief technology officer and co-founder of Dallas startup Von Perry, which is printing a home for the Brioneses. “The only way you can remedy that situation is by implementing automatic construction, which is far faster and superior than conventional construction.”
The space is rapidly evolving. In Houston, Germany-based Peri 3D Construction and Houston-based engineering firm Cive are building what is believed to be the country’s first 3D-printed home with two floors,Still, 3D home printing is far from ready to be deployed at a scale that would rival lumber-built homes. Very few printers are available for builders to use and the process itself has not yet been perfected.
Treyvon Perry is CEO and founder of Von Perry. The firm is using a 3D printer to construct a home in the small town of Nevada in Collin County. Printing kicked off in November. Hugo, a machine operator in McKinney, said he has been telling his coworkers about the home, and that they are already interested in visiting the house and even wanting to submit an application to build their own. The Brioneses’ home will be fully complete in March.
Perry was originally looking into manufacturing the machines, but decided that would be too costly and time-intensive and chose to focus on buying printers made by others and act essentially as a project manager. The company is currently using a printer made by Minnesota firmBut relying on third parties for the printers presents another challenge, the extraordinarily small number of them available in the country, which Joseph says is “probably less than 10.
“The trick is that the speed of the printer has to match the speed of the pump,” Pettit said. “If the printer is moving faster than the pump, the wall will be too thin. If the printer is moving slower than the pump, the wall will be too thick.” Now, Pettit is finishing a 14-unit self-storage facility just outside of Mabank in Payne Springs, which he started working on in August 2022. While factors such as rain and stopping to make some engineering changes created some delay, he said that in ideal conditions he could have printed the facility in a week.
Pettit said that because 3D printers can form houses in any shape, designs are possible that would be very costly using traditional construction methods — like a 25-foot wave wall with vase-like contours he printed as part of the storage project. He says his homes are also more resistant to floods, wind, termites, mold, fire, noise and heat.The company has printed 3D homes and structures across the U.S.
“For us, this represents the beginning,” Julius said. “Houses by the thousands and tens of thousands is what we believe these printers will be able to deliver in the future.” Charlie Coleman, Austin division president for Lennar, said he first met Icon founders Evan and Jason Ballard just over two years ago after seeing them present 3D-printed tiny homes at the South by Southwest conference in Austin.
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