Shigeru Ban designs pen which doubles as architect’s ruler

Pritzker Prize winner Shigeru Ban has designed a pen for Acme Studio that doubles as an architect’s ruler.

The three-sided retractable and refillable pen is made from aluminium, and features a laser-etched ruler on each of its three sides.


An architect’s ruler – or scale ruler – is used to determine distances on a scaled drawing.

The  pen currently sells for $90 and comes in a magnetic case.


Shigeru Ban was awarded the Pritzker Prize in 2014, in part due to his pioneering use of cardboard in disaster relief around the world.

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