AM for Everything but Prototyping

While Additive Manufacturing (AM) built its reputation on rapid prototyping, treating 3D printing strictly as a design-validation tool overlooks its true industrial power. Beyond early-stage draft models, AM serves as a high-impact solution for production tooling, end-use manufacturing, and complex thermal engineering.

1. Custom Fixturing and Workholding

One-off jigs and fixtures offer one of the fastest returns on investment for AM on the shop floor. Need to drill a hole at an irregular angle on a curved surface? You can print a custom locating fixture that indexes off a known datum plane and guides the drill bit precisely where it belongs. Need to hold a small, awkwardly shaped component for a secondary operation? By importing the part's geometry directly into your CAD package, you can quickly invert its silhouette to model custom soft jaws or fixture nests. Print the workholding overnight, mount it in the morning, and keep production moving without waiting weeks for machined tooling.

2. End-Use Production Parts

AM bridges the gap between low-volume demand and high-volume manufacturing. When a product requires multiple distinct polymer components in limited runs, injection molding tooling costs can be economically non-viable. With targeted print parameter tuning and proper post-processing, AM fills this gap at production quality. Furthermore, processes like Fused Filament Fabrication (FFF) allow engineers to leverage directional layer alignment intentionally, tailoring anisotropic strength characteristics to match the part's real-world stress vectors.

3. Complex Internal Geometries

AM enables internal fluid and thermal pathing that is virtually impossible—or prohibitively expensive—to manufacture with conventional subtractive methods.

  • Corrosion-Resistant Fluid Handling: Complex polymer pump housings with intricate internal fluid channels can be printed to near-net shape and finish-machined at critical mating surfaces, bypassing long, complex multi-axis milling cycles.

  • Advanced Thermal Management: Metal AM unlocks radical heat exchanger designs, such as conformal liquid cooling channels concealed inside structural members. Engineers can selectively expand internal surface areas directly around high-heat zones without being constrained by linear drill paths or assembly joints.