What is a key difference between FDM and SLA?

Fused Deposition Modeling (FDM) is a 3D printing process that typically uses thermoplastic filament, which is extruded through a heated nozzle to build up parts layer by layer. One of the key advantages of FDM is its cost-effectiveness, making it accessible for both hobbyists and professionals. In terms of size, FDM printers generally have larger print volumes compared to Stereolithography (SLA) printers, allowing them to produce larger parts more easily and economically.

In contrast, SLA utilizes a liquid resin that is cured by a laser or UV light to form solid parts. While SLA is known for producing high-quality prints with fine details, its equipment and materials can be more expensive, and its build volume is often more limited than that of FDM.

The characteristics of FDM result in its suitability for producing larger parts while maintaining lower production costs, which is why this option stands out as a key difference between the two technologies.