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Phoenix666 [soylentnews.org] writes:

Lewis Yakich, an engineer who built houses in the States and now owns a hotel in the Philippines, has 3D printed a 1500 square foot suite for his hotel [treehugger.com], with two bedrooms, a living room and a spa with a big 3D printed Jacuzzi tub.

"The assembly time for the first printer was 2 months, but this can be replicated now within a couple weeks as the assembly process has been worked out,” Rudenko explains. “It took approximately 1 month to develop and test the right mix, using local materials. We have sand with volcanic ash here in the Philippines, which is difficult to extrude, but a reliable process was developed and we obtained great results with pretty strong walls and good bonding between layers."
...
We had to stop several times to install plumbing, wiring, and rebars,” Rudenko tells us. “In the future this can all be done while printing, but for now we took it slow as we were developing a process and doing testing as we went along.

The article has several photos of the suite in process.

Original Submission