Future of metal 3D printing by 2035

1. Introduction: Towards autonomous manufacturing

Let's look into the future of additive metal manufacturing. By 2035, metal 3D printing will evolve from a singular machine investment to a fully networked, autonomous manufacturing cell.

This white paper highlights the critical technological and process macro trends that will dominate the manufacturing landscape in the coming decade.

2. Trend 1: Multi-laser and area melting

The biggest hurdle of the PBF (powder bed fusion) process has always been the slow build rate. The melting process with a single laser point was like trying to fill a swimming pool with a pipette.

• More lasers: Machines with 4, 8 or even 12 lasers (such as those from Nikon SLM or EOS) will already be standard for series manufacturers in 2026. By 2035, systems with 20 or more lasers that work simultaneously and are artificially intelligently coordinated will enter the market in order to further triple productivity.
• Area printing: New technologies, such as the area exposure of entire layers via VCSEL arrays (Vertical-Cavity Surface-Emitting Lasers) or advanced binder jetting, will dramatically accelerate layer-by-layer printing.

3. Trend 2: AI-supported process monitoring and control

The current status quo of quality assurance in the PBF process (in-situ monitoring) often only passively detects pores or defects - the print is logged, but if an error occurs, it occurs.

• From passive to active (closed-loop control): By 2035, artificial intelligence (AI) will analyze the melt pool in microseconds and adjust the laser power and scanning speed in real time ("on the fly") before an error occurs. This virtually eliminates scrap completely.

4. Trend 3: Fully automated post-processing

Today, post-processing often accounts for 40% to 60% of the total cost of a 3D printed part. Support structures are often broken off or milled off manually, which represents a massive break in the digital process chain.

• Support-free printing: Algorithms in work preparation will be so sophisticated that almost all components can be printed without (or with extremely reduced) support structures, even at angles well below 45 degrees.
• Automated cells: Robots will remove the build platform from the printer, remove the powder fully automatically (and completely), thermally relax the component and clamp it in a CNC machine, which automatically finds the reference points using AI image recognition.

5. Trend 4: Hybrid multi-material systems

Why should a component only consist of a single metal?

• Gradient materials: The advanced DED process (Laser Metal Deposition) creates components that smoothly transition from one material to another. For example, the interior of a pipe made of corrosion-resistant Inconel, which merges seamlessly into an outer cooling jacket made of heat-conducting copper.
• Integration of electronics: We will see systems that pause during metal printing, print or pick-and-place sensors or conductor tracks (made of copper or silver) and then "print over them". The result is “Smart Parts” with embedded telemetry.

6. Trend 5: Decentralized supply chains (print farms)

The pandemic and global conflicts have exposed the vulnerability of long, rigid supply chains (e.g. from Asia).

• Companies will purchase licenses for digital twins (CAD data) instead of importing physical parts.
• Huge “AM Print Farms” will be created at logistical hubs (e.g. Frankfurt, Rotterdam, New York). If a company needs 500 injectors, they are printed fully automatically overnight at the nearest print farm and delivered the next day.

7. Conclusion: The end of the “either-or”

By 2035, the question “milling or printing?” increasingly obsolete. Additive manufacturing will be a standard machine tool in the portfolio of every advanced production, closely linked to subtractive processes. The competitive advantage will then no longer lie in the mere possession of a 3D printer, but in the ability to link data (DfAM) so cleverly that products are created that are still considered science fiction today.