Sunnyday Technologies

Evidence-driven
additive construction.

Tools and reference projects. Open foundations.

Sunnyday Technologies LLC publishes experimental open hardware, a maintainer-authored public data schema, CAD validation tools, and early-stage materials decision support.

Archived thermal footage · visual background, not performance evidence

Current public work

Explore the foundations.

These projects are designed to help technical teams organize evidence and plan controlled validation; they are not certifications, project specifications, production systems, or substitutes for qualified professional judgment.

01 / Hardware

M3-CRETE

Experimental open-hardware reference design for research and development.

View the project
02 / Schema

Open3DCP

Maintainer-authored schema and documentation, not a supplied dataset or ratified standard.

View the schema
03 / Materials

CEMFORGE

Early-stage evidence-readiness and materials decision support; public self-service purchase and prediction routes are not open.

View current status

January–August 2026

Built to be shared.

Seven connected engineering toolsets. Sixteen technical articles and working papers. Explore the open repositories and the thinking behind them.

Work with Sunnyday

Start with the question.

Review the consulting boundary

A human-reviewed technical inquiry may be requested. An inquiry is not an accepted order. Any paid work requires a written scope, price, rights and data-handling terms, safety boundary, tax treatment, reviewer role, fulfillment plan, refund terms, and payment instructions.