
Enabling technical disclosure of cubit-scale interlocking plastic formwork printed in a backyard-scale pellet-printer micro-factory, poured with local concrete, insulated in a dedicated channel. Prior art. Text CC BY-SA 4.0; hardware CERN-OHL-S v2. This version adds the 2026-08-31 1CUBIT Core CAD pack (live review solid): STEP, STL, build123d source, and review images for the 40×16×14 in end-piece unit. Hardware files CERN-OHL-S v2. The architecture note is unchanged.
