Get in touch.
Email is the most reliable way to reach us. Office is in Appleton, Wisconsin. Most inquiries get a response within two business days.
m3@sunn3d.com
Research collaborations, project inquiries, partnership conversations, anything that doesn’t fit the more specific addresses below.
Foundernick@sunn3d.com
Direct to the founder. Press, podcast, speaking requests, ACME Lab investment conversations, or anything that needs decision-making at the top.
PressPress inquiries
For coverage of M3-CRETE, CEMFORGE, Open3DCP, or the company itself. Subject line “Press inquiry” routes appropriately.
Skip the middleman.
Most technical questions are answered faster by going directly to the source. M3-CRETE, Open3DCP, and CADCLAW are open source. CEMFORGE is proprietary.
- M3-CRETE open hardware: m3-crete.com · GitHub · Hackaday build log
- CEMFORGE AI formulation: cemforge.ai
- Open3DCP printability schema: open3dcp.org · GitHub
- CADCLAW CAD validation: cadclaw.io · PyPI
- Org profile on GitHub: github.com/sunnyday-technologies
Appleton, Wisconsin.
Sunnyday Technologies LLC is based in Appleton, WI — in the Fox River Valley, between Milwaukee and Green Bay. Most work is done from the office or in partner labs across the Upper Midwest. Visits and meetings by appointment.

