The article investigates the relationship between communication quality and resource scarcity in the public sector. Through the case study of Hub Milano 0.18, it highlights designers' strategies for generating high-quality communication amidst social and contextual challenges. Three critical axes – scalability, flexibility, and replicability – are emphasized to illustrate the approaches to resource management: scalability allows both minimal interventions and complete customization of spaces; flexibility enables reconfiguration and multifunctionality, adapting to diverse needs; replicability ensures the project's enduring impact across various contexts and times. Through tangible examples, the article presents communication design artifacts and experiences aimed at fostering positive societal impacts.