Materials Guide
FDM vs. SLA vs. SLS: Which Process Is Right for Your Project?
The three dominant 3D printing processes each have distinct strengths. Here’s the definitive comparison to help you choose without guessing.
Apr 2026
Insights, guides, and technical deep-dives from ExCom’s engineering and manufacturing team.
The three dominant 3D printing processes each have distinct strengths. Here’s the definitive comparison to help you choose without guessing.
DFM principles specific to additive manufacturing that reduce cost, improve quality, and eliminate common failure modes.
A real-world look at how one manufacturing client replaced traditional tooling with 3D printed alternatives — and the results.
Understanding when standard materials aren’t enough — and how to spec the right engineering material for structural applications.
ULTEM, PEEK, and certification requirements for aerospace-grade 3D printed components. What the spec sheets don’t tell you.
A step-by-step file preparation checklist that eliminates the most common causes of print failures, quote delays, and unexpected costs.
Not all resins are equal. Our material engineer breaks down the decision framework for selecting the right resin formulation.
Behind the scenes of a 47-piece prop fabrication project for a major streaming series — timeline, challenges, and outcomes.
A realistic guide to dimensional tolerances across FDM, SLA, and SLS processes — with practical implications for your designs.
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