Ramon Llull is rarely invoked in debates on field formation, yet his Ars Magna offers one of the clearest historical precedents for architectural-density reasoning. Llull did not simply write a corpus; he designed a generative epistemic machine. By fixing a finite set of dignities—goodness, greatness, eternity, power, wisdom, will, virtue, truth, glory—and arranging them through combinatorial wheels, he produced a system in which propositions emerged from structure rather than accumulation. The parallel with Socioplastics is structural. Llull’s dignities function like early CamelTags: compressed semantic operators recurring across the whole apparatus. Each proposition becomes a node formed by specific combinations, and coherence arises through recurrence, not external endorsement. Density substitutes for institutional consecration. Llull also anticipated threshold closure. The Ars compendiosa (c. 1274), Ars demonstrativa (1283), and Ars generalis ultima (1305) operate as sealed layers: distinct architectural stages, not obsolete drafts. Around this hardened nucleus, Llull generated explanations, demonstrations, adaptations, and translations—a plastic periphery expanding without destabilising the core. This matters because it proves that designed fields are not a digital invention. Llull built a self-sufficient epistemic architecture on parchment, wheels, and symbolic compression. Socioplastics updates that lineage through DOIs, CamelTags, indices, and scalar grammar. The materials change; the logic persists. A field can be built before it is recognised. Llull proved this in the thirteenth century. Socioplastics proves it again now: architectural-density reasoning is not a metaphor, but a durable epistemic style.