Case Studies: How CEMFORGE Serves Three Different 3DCP Buyers
The 3D concrete printing buyer landscape is not one buyer. The technology, the supply chain that has formed around it, and the published literature on mix design have all been shaped most visibly by the largest projects: residential-scale demonstrations from the few operators whose budgets justify a turnkey bagged-mix supply, and the standardization work coming out of European research consortia. That work is real and the field would not be where it is without it.
What the work has not done, and what the rest of the additive construction industry is now beginning to address, is reach the buyers whose project economics, geographic location, or institutional shape never fit the central supply chain. A small printing crew working on residential and outbuilding projects in west-central Wisconsin cannot afford to truck a bagged proprietary mortar from a Texas distribution hub. A graduate research group studying a regionally-sourced calcined clay cannot validate their hypothesis against a European calcined-clay dataset without first repeating the gradation work on the local material. A regional cement plant facing rising contractor demand for a 3DCP-grade product cannot justify a multi-year internal R&D commitment for a single SKU whose initial volume is uncertain.
These three case studies are samples. The customers and projects are not real. They show the kinds of buyers we work with today and what a CEMFORGE engagement actually produces for each kind. The case studies share the same framing as our methodology pillars at our-approach and 3D concrete printing mix design: the established 3DCP supply chain is doing real, well-funded work, and CEMFORGE is the tool for the work that supply chain does not economically reach.
A Cabin Near Black River Falls Wisconsin: Performance and Logistics Intelligence for Direct-Print Walls
A small cabin near Black River Falls Wisconsin. The owner wants printed walls but the cabin is hours from the nearest commercial 3DCP-grade bagged-mortar source. The case shows what a CEMFORGE P0 confirmation deliverable looks like: a robust mix-design window, a sensitivity-driven QC plan, a regional sourcing map, and an Engineer-of-Record handoff packet. Three roles work together: Sunnyday provides the data, the engineer of record signs off on the structure, and a 3DCP contractor does the printing. The buyer leaves the engagement with a printable spec a contractor can quote against and an EOR can sign off on.
Audience: small printing operators, regional contractors, residential and outbuilding builders, engineers of record on small residential projects.
A Calcined-Clay Mix-Design Study That Did Not Eat the Semester
A graduate research group at a midwestern university wants to test whether a Limestone Calcined Clay Cement formulation built on regionally sourced kaolinitic clay matches the printability window of a conventional fly-ash blend, and whether the local clay’s surface chemistry drives a measurable difference in static-yield-stress evolution against published European calcined-clay datasets. The hypothesis has been in the advisor’s queue for two years. Previous semester-scale attempts ran out of bench time on the gradation-and-compatibility precondition before the actual research question got tested. The case study follows how CEMFORGE’s particle-packing pre-screen and rheological prediction layer, with calibrated training-coverage flags on regionally-sourced inputs, compressed the enumeration phase and recovered the bench time the lab needed for the question itself. The dataset leaves the lab in an Open3DCP-conformant, FAIR-compliant shape suitable for the journal’s data-availability requirement.
Audience: academic and industrial 3DCP research groups, supplementary cementitious materials researchers.
A Regional Cement Plant Adds a 3DCP-Grade SKU Without a Multi-Year R&D Commitment
A regional cement and ready-mix producer in the Upper Midwest is getting more questions about 3DCP from operators in their territory. The plant makes solid conventional concrete products, but 3DCP needs a different kind of mix design that conventional bench R&D was not built for. The case follows a CEMFORGE engagement scoped as a single new SKU rather than a multi-year R&D commitment. Specimen testing during product development drops to a small fraction of the usual amount, and the platform license pays for itself in the first commercial year of the new product. The plant captures revenue from a regional 3DCP segment it would not otherwise have entered.
Audience: cement-plant and ready-mix-producer technical and commercial leadership, regional industrial 3DCP supply considerations.
How to engage
CEMFORGE is a mix-design platform at cemforge.ai. For projects that need a structured deliverable, a CEMFORGE engagement is scoped to the project’s location, geometry, and target performance, and produces a regional sourcing map, candidate formulations against the project targets, a QC and test plan, and an Engineer-of-Record handoff packet.
Inquiries and engagement scoping: info@sunn3d.com.
The engineering substrate the case studies draw on is documented in the 3D concrete printing mix design pillar at CEMFORGE and the closed-loop method pillar at Sunnyday Technologies. The Open3DCP open data schema is at open3dcp.org.