Motu Viget is a sculpture designed by Mark di Suvero in 1977. Its name comes from the city motto of Grand Rapids. Motu Viget is a large steel form with a massive rubber tire suspended in the air. because of this, the sculpture is popular referred to as "the tire swing." It is located at the NW corner of Calder Plaza.
This kinetic piece by National Medal of Arts honoree Mark di Suvero is a 12-ton structure of industrial I-beams that stands 30-feet high.
Though it’s commonly referred to as the tire swing, this sculpture is titled “Motu Viget” – Latin for “strength in activity,” it’s also the city motto.