Created by Bruce Mau Design, the portfolio page unsurprisingly doesn’t mention the effect — it’s a subtle bonus, not the main idea — but I doubt the illusion went unnoticed on during development.
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Update: It was spotted about halfway through the process.
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It didn’t half generate some brand attention (on Gizmodo, The Verge, Quartz, Business Insider, The Drum, Yahoo, 9GAG, and plenty more).
Tradeshow booth mockup.
More identity imagery on the Bruce Mau website.