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Three months of your year, taking up less desk space than a business card.
TriAngular makes that possible by changing the shape. The calendar wraps around three sides, keeping the months ahead within reach.
For something designed to keep the date close, it barely looks like a calendar at all. Silver paper, crisp white typography, and a sculptural triangular form let it sit naturally among the objects you choose for your desk.

Plans don't always fit neatly into a single month. TriAngular keeps three months around its three sides, so a simple turn lets you check what's coming while planning the month you're in.
The paper itself forms the triangular structure, secured by a clip made entirely of paper. No bulky base or separate stand. Just a compact, self-supporting form that looks more like a small sculpture than conventional desk stationery.
Each month is individually perforated, so you can remove it when it's over. As the year progresses, the calendar changes with it, keeping the months ahead accessible.
January and February 2028 are included, so your planning doesn't have to stop at December.
This YD Select edition does not include U.S., Japanese, or other national public holidays. Only dates are printed, keeping the calendar clean and free of country-specific markings.

For something this small, the printing receives an unusual amount of attention.
Made in Japan, each sheet of TriAngular is silkscreen printed by hand and individually dried. The white ink is applied twice onto fine silver paper to achieve crisp, clean-edged typography.
On a calendar made of nothing but paper and print, those details are the design.

Your desk is already full: a laptop, a notebook, your favorite pen. TriAngular fits in the space between them.
You're planning your week and need to check a date next month. Give TriAngular a turn, find the date, and get back to work without opening another tab or reaching for your phone.
At the start of a new month, tear away the one that's passed. The year moves forward, but the little calendar stays right where it belongs.
A calendar you reach for when you need it, and enjoy looking at when you don't.