Artist Mark Lascelles Thornton On His Completed Masterwork: "The Happiness Machine"

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Over a year ago, we shared a work-in-progress drawing project that captured our imagination with its combination of huge size and meticulously small details. Now, "The Happiness Machine," Mark Lascelles Thornton's 8-foot by 5-foot, three year long drawing project is complete, after over 10,000 hours of painstaking work.

Lascelles Thornton, a self-taught London-based artist who describes himself as "one of those kids that was drawing before I was talking," created the artwork as a response to the global financial crisis, focusing on themes of socio-economics, consumerism, globalism, resource shortages, urbanism and architecture. We spoke to Lascelles Thornton about his artwork, discussing the themes of the piece and the commitment - or, as he describes it, "emotional engineering" - required for such a colossal undertaking.

For the full interview - and detailed images of the drawing - read on after the break