99% MATITA. Una matita fatta di matita: micromina, a conformazione trilobata, in filamento di grafene e unità funzionale in metallo cromato.

SKU: 8055727120021 Category: Tags: , ,


Mechanical pencil, with a trilobate arched shape, made with filaments in graphene and aluminum details.

Ogni fusto viene realizzato singolarmente utilizzando tecniche innovative di additive manufacturing via stampa 3D.

The complex unique arched shape turns out to be extremely clean in its design, ergonomic and perfect to be embraced by the three fingers of the hand. A pleasant finishing texture to the touch, with a good non-slip grip. Natural finish in graphite color.

3 mine HB 0.7mm incluse
Mechanical pencil - length cm 13.0
Fuse Diameter cm 1.1
Weight g 13.0


Segni distintivi CENTO3


In the additive manufacturing production process used, the junction line along the body of the object certifies the slowness and production precision of each piece, enhancing its value of time and the quality of three-dimensional printing production.

Each artifact becomes even more valuable thanks to its own mark, like a scar, unrepeatable and unique for the texture obtained from the processing of the graphene filament, for its tactile pleasantness and for the natural finishing color of graphene.


Consente all’oggetto di scrittura di non scivolare sul tavolo come invece tutte le altre penne a sezione circolare. Con tre dita si impugna bene la penna e si comunica il proprio messaggio.


CENTO3, are the years from the birth of Achille Castiglioni (1918) to the realization and presentation to the public of the writing project of the two architects Castiglioni and Cavaglià (2021).


Additional information


Bio-based PLA polymer and graphene


Artisanal assembly, 3D printing


On request


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