Metal 3D Printing PrintAlloy®

Metal 3D Printing

On Demand Rapid Prototyping

When you need precision metal prototypes fast, PrintAlloy® delivers. Our metal 3D printing rapid prototyping solution combines the flexibility of additive manufacturing with the reliability of production-grade materials. With no tooling required and fast turnaround times, APP helps product development teams accelerate iteration cycles and reduce time-to-market.

PrintAlloy® enables engineers to validate form, fit, and function earlier in the design process—especially for complex geometries that are difficult to prototype using traditional manufacturing methods. Ideal for small-batch production, PrintAlloy® supports low-cost, on demand rapid prototyping using metal powders formulated for Metal Injection Molding (MIM).

Prototype MIM components with PrintAlloy®

APP's PrintAlloy® process is designed to complement Metal Injection Molding. Our binder jet 3D printing platform uses the same fine metal powders and thermal processing techniques as MIM, making it a seamless bridge from prototype to production.

Because PrintAlloy® prototypes are made from the same alloy and particle size used in MIM, you can expect similar performance, surface finish, and material behavior. This alignment gives product development teams the confidence to move forward, knowing their prototypes will translate accurately into MIM-manufactured components.

Whether you're testing intricate designs or evaluating multiple iterations, PrintAlloy® provides a streamlined, cost-effective path to functional, production-representative metal parts.

Metal 3D Printing Rapid Prototyping
On-Demand Rapid Prototyping

PrintAlloy® Advantages

  • No Tooling Required: Eliminate mold development time and cost.
  • 10-Day Lead Time: Get metal prototypes in hand quickly.
  • Functional Metal Parts: Meet MPIF Standard 35 for 17-4 PH stainless steel.
  • Supports Complex Geometries: Ideal for intricate or organic designs.
  • High-Density Results: Produce test-ready parts with the mechanical integrity required for evaluation.

Get your 3D Printed Parts Today

Step 1

Request a quote from APP's engineering team.

Step 2

Upload your CAD file and place your order.

Step 3

Receive your functional metal prototypes in as few as 10 days.

Step 4

Test your parts and share feedback for final MIM tooling.

Binder Jet Metal 3D Printing

Binder jetting is an additive manufacturing process that uses powdered metal and a liquid binder to create highly detailed 3D parts layer by layer. Unlike traditional manufacturing methods that require machining or molds, binder jet metal 3D printing allows for the creation of complex geometries without tooling.

This method is ideal for on demand rapid prototyping, especially when development timelines are tight. Because there's minimal material waste and no mold cost, binder jetting is both cost-efficient and scalable.

How Binder Jet Metal 3D Printing Works

The binder jet process begins with a layer of fine metal powder (typically 10–20 microns) spread across a build platform. An industrial inkjet head deposits a binder in a precise 2D pattern to "glue" the particles together.

Once a layer is complete, the build bed lowers, and a new powder layer is spread and selectively bound. This cycle repeats, forming a part from hundreds of cross-sectional layers.

The resulting "green" part is removed from the powder bed, placed on ceramic supports, and sintered in a furnace at temperatures between 1300°–1400°C. During this stage, the binder burns off and the metal particles fuse, resulting in a dense, solid part. Just like MIM parts, these prototypes can be heat treated, machined, and finished.

Using Metal 3D Printing to Advance Metal Injection Molding

PrintAlloy® is purpose-built to enhance the MIM product development process. By using the same powders, sintering cycles, and design rules as MIM, our binder jet 3D printing approach enables accurate prototype testing without investing in tooling.

This allows engineers to:

  • Quickly test multiple design iterations
  • Validate performance characteristics of complex metal parts
  • Reduce cost and risk before committing to MIM production

With PrintAlloy®, you can move from prototype to production with fewer surprises and greater confidence.

Binder Jet Metal 3D Printing

Process Comparison

PrintAlloy® Metal Injection Molding
Investment $0.00 $25,000+
Lead Time Days Weeks
Powder 10-20 micron 5-25 micron
Binder Dryable liquid Meltable polymer
Shape Forming Layer by layer (50-100 micron) Injection into custom mold
Debind No Solvent or gas phase
Thermal Debind and Sintering Same Same
Machinability Same Same
Heat Treat Response Same Same
Mass (g) .1-300 .1-300
Tolerance (%) +/-1.0 +/-0.5
Min Wall Thickness (in) .015 .008
Surface Finish Ra (micro-inch) 100 (xy), 200(z) 32
Investment
PrintAlloy© Metal Injection Molding
$0.00 $25,000+
Lead Time
PrintAlloy© Metal Injection Molding
Days Weeks
Powder
PrintAlloy© Metal Injection Molding
10-20 micron 5-25 micron
Binder
PrintAlloy© Metal Injection Molding
Dryable liquid Meltable polymer
Shape Forming
PrintAlloy© Metal Injection Molding
Layer by layer (50-100 micron) Injection into custom mold
Debind
PrintAlloy© Metal Injection Molding
No Solvent or gas phase
Thermal Debind and Sintering
PrintAlloy© Metal Injection Molding
Same Same
Machinability
PrintAlloy© Metal Injection Molding
Same Same
Heat Treat Response
PrintAlloy© Metal Injection Molding
Same Same
Mass(g)
PrintAlloy© Metal Injection Molding
.1 - 300 .1 - 300
Tolerance(%)
PrintAlloy© Metal Injection Molding
+/-1.0 +/-0.5
Min. Wall Thickness (in.)
PrintAlloy© Metal Injection Molding
.015 .008
Surface Finish Ra (micro-inch)
PrintAlloy© Metal Injection Molding
100 (xy), 200(z) 32

3D Printing Resources

  • PrintAlloy® Brochure – Overview of patented technology, materials, and design specs. Download Now
  • Properties Comparison – Compare mechanical properties of MIM vs. 3D printed components. Download Now
  • PrintAlloy® Capabilities – Explore current capabilities of our binder jet platform. Download Now
  • Surface Finish Comparison – See how 17-4PH parts compare across processes. Download Now
  • Binder Jet & MIM Whitepaper – Learn how binder jet 3D printing supports the MIM process. Download Now

Learn how PrintAlloy® can advanced Metal Injection Molding

Our latest whitepaper explores how PrintAlloy® bridges the gap between concept and production in the MIM process. It outlines how binder jet metal 3D printing enables faster iteration, reduces tooling dependency, and improves design validation.

Download Whitepaper