The Crochet Coral Reef, a collaborative craft-science artwork, continues to grow with the addition of two new colonies in Austria and Pittsburgh. Over 25,000 crocheters worldwide have contributed to this project, which serves as both a tribute to and a plea for the protection of threatened reef ecosystems. The project also delves into mathematical themes, exploring the quirky curvature of hyperbolic geometry found in reef organisms. The crochet corals, resembling nature in an abstract form, are part of exhibitions featuring both the Wertheims' works and contributions from skilled crocheters. The project highlights the power of community collaboration in creating art. The recent exhibition in Linz, Austria, draws inspiration from traditional Austrian craftswomanship, while also serving as a symbol of the region's ancient primordial sea. The mathematical and scientific dimensions of the project intersect with research on hyperbolic surfaces in nature. The crochet corals not only serve as artistic representations but also facilitate a deeper understanding of hyperbolic structures. The project has also sparked new ecological behaviors and environmental dialogue, representing patterns of change.