Redesigning a multi-part assembly into a single printable component, eliminating fasteners, welds and assembly labor while improving structural continuity.
Traditional manufacturing constraints, draft angles for casting, straight toolpaths for milling, force designers to split parts that would ideally be one body. AM removes these constraints, allowing complex internal channels, undercuts and organic junctions within a single print. Consolidation eliminates joint failure modes (fatigue at welds, bolt loosening) and reduces supply-chain complexity.
A hydraulic manifold previously assembled from 14 machined blocks and 80 fittings can be reprinted as one DMLS part with internal conformal channels. GE Aviation's LEAP nozzle consolidated 20 parts into 1. Ideal candidates: assemblies with many small fasteners, tight-tolerance mating faces or internal passages inaccessible to drills.
A consolidated monolith can be harder to inspect internally: add witness holes or use CT scanning for quality assurance. Repair or replacement now requires scrapping the entire part rather than a single bolt. Validate support removal feasibility before committing to a one-piece design.
Related terms: Topology Optimization, Lightweighting / Mass Reduction, Design for Minimal Material
| Theme | optimization |
|---|---|
| Also called | part count reduction, assembly consolidation, multi-part to mono |
| Source | Wiki/concepts/dfam.md, Wiki/tech/dmls.md |
Engineer, author of The Big Book of 3D Printing and additive manufacturing expert