People spend hours making their own DIY cards for the holidays but we think we can say pretty confidently that New Yorker Erik Trinidad’s is the most labor-intensive one we’ve ever seen. In order to create the giant virtual greeting, which spans almost the entire width of Manhattan, Trinidad traced the path of every letter by riding his bike along it. The delightful result, a tech-assisted geoglyph, is the image you see above.

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In order to track his bikepath, Trinidad used an iPhone app by Abvio called Cyclemeter. Then he hopped on his cycle and made his way back and forth across the middle of Manhattan to “spell out” his message.

Of course, biking perfectly straight paths in New York City is pretty much near impossible so the true geoglyph looked a bit like Halloween font. Trinidad cleaned up some of the squiggles to create his final card, which is as much a love letter to the city as it is a yuletide greeting.

See Trinidad’s short video about the making of his geoglyph here.

Via Atlantic Cities