Trig pillars have long been a familiar sight to anyone interested in mapping and measurement, and this blog entry reflects on their continued relevance and interest. While modern surveying increasingly relies on GNSS and other technologies, the historical network of trig points still plays a role in understanding how coordinate systems evolved. Visiting and recording these locations can be both technically useful and enjoyable for those who appreciate the heritage of the profession. For 360g, acknowledging this background sits alongside our commitment to up-to-date methods. The post offers a small nod to where the industry has come from as well as where it is going.