Which way is the chair facing? Watch the Dezeen video above and see if you’ve guessed correctly. The black lacquered plywood chair, one of three designed by French design studio Ibride, references furniture design from history, but it also hides an illusion in its silhouette: The Hidden Chairs.

Watch more optical illusion videos, including the Ambiguous Cylinder Illusion and the Impossible Rooftop & Folding Ladder Illusions.

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