Hsu Office of Architecture have designed the Lake Travis Residence near Austin, Texas.

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Description from the architects:

Built atop a sloping site off Lake Travis, this two story custom residence utilizes a bisecting plan to offer flexible open space and respond to the grade of the site. Natural materials such as wood siding, stacked ledge stone and stucco are used to tie into the landscape. A large butterfly roof and expansive windows capture views and embrace the surrounding vista.