"Rhythm", a design by Andriy Kuchmayda, comes from ACME Studio's Standard fountain pens. The pen comes equipped with ACME standard fountain nib and reservoir attached to the pen. Artist's signature is engraved on the cap band and "ACME" is on the clip. The pen is presented in a metal ACME tin with a black sleeve.

• Standard fountain pen (medium nib)

Standard fountain pen (medium nib)Acme Studio