Geneva-based writing instruments manufacturer Caran d’Ache has collaborated with Girard Studio and Swiss furniture brand Vitra, to create the 849 Alexander Girard limited-edition ballpoint pen, as the newest addition to the Vitra Accessories Collection. Inspired by Girard’s playful patterns and motifs, the pen bears his ‘double triangle’ pattern in white gloss and matt black, or his check stripes in pink and white. The metal case features Girard’s iconic ‘Eyes’ motif.

From £50; carandache.com