Quick Summary
• Sunnyday Technologies Announces Open-Source M3-CRETE 3D Concrete Printer February 27
Additional Context
Sunnyday Technologies has released M3-CRETE, an open-source 3D concrete printer designed for field use across various work environments. The system features modular architecture that can scale from 1 cubic meter to 4 cubic meters using swappable components. The draft bill of materials is now available on GitHub for customization and community feedback.
The company is collaborating with universities in and near Wisconsin to provide in-person support for field-test units planned for 2026. The printer targets applications including hardscape elements, agricultural infrastructure, water control components, and modular construction parts. The system is built using common components to enable rapid repairs in remote locations.
M3-CRETE operates on open standards to avoid proprietary limitation