The Reincarnated Grid is an adaptive reuse intervention within the abandoned Gia Lam Train Factory. Rather than imposing a new design, it excavates the latent spatial intelligence of the site, treating it as an archaeological imprint of Vietnam’s industrial past. The Reincarnated Grid recontextualises Vietnam’s industrial legacy and foregrounds the potential of collective knowledge in spatial transformation. The act of repurposing— both materially and conceptually—underscores an alternative paradigm of sustainability, wherein preservation is not merely conservation but a dynamic process of reinvention.