This 3D Design App Is Used By Millions Of China’s House Builders, And Plans To Go Global

China’s rapidly growing middle class–and their willingness to spend–in recent years has notoriously driven up property prices in major cities around the world. But back home, the Chinese’s desire to buy homes requires a different approach. While in Los Angeles or Hong Kong, mainland buyers can walk into a property agency and buy a house with cash, there simply aren’t enough houses in the mainland for buyers to make such an immediate purchase.

Instead, some who wish to own larger properties in China–a house, instead of an apartment in a high rise–have to purchase the land first and then build their own, and they’re doing so in droves: the Chinese are building more houses from the ground up more than any other country, and China will soon have more houses than it has people.

Chen Hang noticed the trend nearly seven years ago. In 2011, he was working in the U.S. as a software engineer for Microsoft when he realized that since so many Chinese citizens are building houses back home, they’ll need interior design and planning on a scale not seen anywhere else.

“In America, people usually buy a home that’s already finished, and at most they have to buy new furniture,” Chen, now 32, says. “But in China, people are buying land and then building the house. Or they’ve just purchased a shell of a house and have to decide what type of material to use and where to build each room.”

Chen returned to the U.S. and founded a new company with former university classmate Victor Huang in late 2011. A few months later, the two convinced another former classmate, Hao Zhu, to move back to join the team. Even considering the three each have a masters degrees in computer science and had already amassed tech experience working for some of the world’s biggest tech companies, their idea was still an ambitious one: a digital project on a scale never before seen in China. Within a few months, the three built a prototype software that allows users to construct and design their own homes using real-time 3D object rendering.

A screenshot of Kujiale’s software in the midst of building a home.BEN SIN

“We knew that, given the way the mobile world was trending, the software had to be usable online through a web browser, and not something users must download and install,” Chen says. “And we also knew that the 3D object rendering has to be seamless and quick, otherwise people won’t use it.”

So they spent another few months and tweaked the software some more. Chen says the team was coding almost every free hour of the day during that stretch while juggling day jobs.

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