An old series, my first attempt at a recursive structure that playfully builds upwards.

You can offer it and write something nice in the back, you can pin it, blu-tack it, frame it (try in a glass-less frame!), up a wall, on a shelf or on a desk.
Avoid direct sunlight and keep the poster out of humidity.

Paper — 250g/m² (115lb) Clairefontaine PaintOn acid-free paper
Inks — Stabilo fineliners
Format — 10 × 15 cm (3.9 × 5.9 in)