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3D printers have revolutionized the process of explaining complex ideas with visual aids, and now that someone has done all the hard work, thank you, Eric Harrell, and designed a working, 3D printed WRX motor, it’s time to get that new living room center piece you’ve always wanted.

Engineering Explained does a great job breaking down how the flat four boxer engine works, outlining the advantages to the unorthodox layout. Take five minutes and treat yourself to some engineering know-how.

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