After its golden age in the last decades of the 20thcentury, diagramming is still an experimental practice today, but it focuses onthe synthesis of complexity and on new disciplinary territories on the edgebetween humanities, art, architecture, urban planning and landscape. Thismanual presents experimental diagrams through sensing, analysing andtransforming space. The contributions critically delineate diagrammaticbehaviours in architectural history, present the design practices of officessuch as AZPML and MVRDV, take the medium to its extreme consequences, and outlinefuture trajectories.