INK is the cartridge belt with magnetic closure compatible with the CENTO3.G fountain pen and the CENTO3.R rollerball pen.
Characterized by its trilobate shape signature of the collection, contains 6 ink cartridges in the colors loved by Achille Castiglioni: dove gray, burgundy, turquoise, graphite and blue.
"the turquoise of the giant clips, the dove gray of the gabardine trousers, the blue of the cloth jacket, the wine of the pantone, the gray that goes on everything"
INK also acts as a desk stand, designed and made of graphene through 3D printing, so as to position the CENTO3 pen vertically in a dedicated housing.
The unique trilobate shape was developed by Achille Castiglioni and Gianfranco Cavaglià in 2001 after a careful study on the ergonomic handle.