The Villi, a limited edition for the 90th, was produced this year with design studio Formafantasma. It uses “wild birch,” giving it a distinctive pattern and a greener production process.  Photo 6 of 8 in Alvar Aalto’s Stool 60 Is Everywhere—But It Has Always Stood on Its Own

Alvar Aalto’s Stool 60 Is Everywhere—But It Has Always Stood on Its Own

6 of 8

The Villi, a limited edition for the 90th, was produced this year with design studio Formafantasma. It uses "wild birch," giving it a distinctive pattern and a greener production process.