Urban Circles Builds 1 Off-Grid Backup Internet System With 3D-Printed Briefcase

1 articles · Updated · The Verge · Jul 2

Urban Circles built a self-hosted backup internet setup after a power outage, turning it into an off-grid system for basic online-style services.
The system includes photo syncing, messaging, streaming media and an offline copy of Wikipedia, aiming to keep key functions available without normal internet access.
A 3D-printed “doomsday briefcase” packages the project into a portable format, and the YouTuber published instructions for others to build their own.
The project reflects a DIY push toward resilient home infrastructure that can keep information and communication tools running during outages.

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