How Metal 3D Printing Works: Processes, Limits & Design Tips

How Metal 3D Printing Works: Processes, Limits & Design Tips

RAPID DIRECT 20.2K subscribers
1.4K views · 2026-07-21 Industrial Design
#metal3dprinting #additivemanufacturing #engineering
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Metal 3D printing, also known as metal additive manufacturing, builds parts layer by layer directly from CAD data. This video explains how the technology works, where it excels and falls short, and compares three key processes: DMLS/SLM, Binder Jetting, and Directed Energy Deposition.

Learn how heat, orientation, support structures, internal channels, and post-processing affect part quality—and when metal 3D printing makes more sense than CNC machining, casting, or molding.

Chapters

[00:00] Intro
[00:44] What Is Metal 3D Printing?
[01:25] Advantages and Limitations
[02:50] DMLS / SLM: Powder Bed Fusion
[03:22] Binder Jetting
[03:43] DED: Directed Energy Deposition
[03:59] Design Tips for Metal 3D Printing
[05:00] When to Use Metal 3D Printing

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