Metal additive manufacturing is producing certified flight hardware, patient-specific implants, and complex heat exchangers that couldn't be made any other way. Here's a practical breakdown of the three dominant metal 3D printing processes and where each one excels.

FDM, SLA, and SLS each have genuine strengths — and genuine limitations. Choosing the wrong process wastes time, money, and produces parts that fail to meet requirements. This guide gives you a clear decision framework.

FDM is the world's most widely used 3D printing technology — but most guides barely scratch the surface. This deep-dive covers how it works, every major material, key print parameters, post-processing, and exactly when to choose FDM over SLA or SLS.

Stereolithography (SLA) delivers the finest detail, smoothest surfaces, and tightest tolerances of any polymer 3D printing process. This guide explains how it works, breaks down resin types, covers post-processing, and shows you when SLA is the right technology — and when it isn't.

SLS produces strong, functional, support-free parts at production volumes — and it's the closest thing additive manufacturing has to a true manufacturing process. This guide covers the mechanics, materials, post-processing, and the economics that make SLS compelling for serious applications.