This document summarizes a community placemaking project in Aveiro, Portugal called "VIVACIDADE. Vestir os Vazios da Cidade" that aims to temporarily develop urban voids and turn them into welcoming, accessible, useful, vibrant places through community engagement. The project involves the municipality, university, and cultural sector. It has engaged local citizens, civic associations, students, media partners, and sponsors to select voids and authorize owners. The participation involves democratic decision making, capacity building, advocacy, and cross-sectoral civic engagement.