Onoto 'The Pi Pen' Fountain Pen Steel Nib Vegan sponge or even your fingers

sponge or even your fingers to transform this pencil into paint

This Forest Green resin adds a good amount of depth to the barrel whilst small pearlescent fragments makes it shimmer in different lights

When first in contact with paper

The overall result is a pen that's really been thought through with the attention to detail and innovation that could only come from Dante Del Vecchio

Onoto 'The Pi Pen' Fountain Pen Steel Nib Vegan sponge or even your fingersThe design of the Onoto 'Pi' pen was created as a celebration of the famous 'irrational number' and features the first 314 digits of pi after the decimal point etched to the barrel. Made from high density acrylic, this is a satisfyingly robust pen, with the plain barrel nicely set off by polished sterling silver trim in the form of 3 cap bands, a pocket clip inscribed with a chevron pattern and the Onoto logo, and a cap button, also featuring the