Shigeru Ban’s retractable roller ball pen for acme studios doubles as an architect’s scale. Even though computer generated visualizations and renderings have become the norm, drawing still remains a key skill in the life of an architect in the case that one needs to quickly draft a plan, or sketch out a concept without hesitation. Shigeru Ban’s ‘scale’ retractable roller ball point pen responds to this. It has been conceived as a writing tool, but its triangular form sees it double functioning as a scale ruler that includes metric and imperial measures — serving architects and engineers working across the globe. (Read more) Via