This video documents how a participatory 3D model (P3DM) has been effectively used for advocacy purposes in the framework of the Tampakan Copper-Gold Project in South Cotabato, Mindanao, Philippines. In response to the results of an environmental impact assessment produced by consultants hired by the mining company, activists and community members used a P3DM process to harness local expertise to rebut the experts' findings and present the peoples point of view regarding the mining project.