Epson Lifestudio Flex Plus: The portable projector with 4K quality and built-in Bose speakers

With 4K PRO-UHD resolution, built-in Bose audio, and Google TV, this projector delivers a full home theater experience anywhere.
Ars Technica

Building a PC projector ...

Several weeks ago I read about building my own projector but cannot remember where. Has anyone done this or know of where I can find out how? This doesnt need to be high definition as it will be used ...