SLA vs MJF — precision and finish vs production-grade strength.
SLA delivers the best surface finish and tightest tolerances in our catalog — ideal for visual prototypes, snap-fit validation, and parts that will be painted or finished. MJF delivers the best mechanical properties and batch consistency — ideal for end-use production parts, functional testing, and volume runs. These two technologies complement each other across the product development lifecycle.
Specifications
Head-to-head comparison
| Spec | SLA | MJF |
|---|---|---|
| Tolerances | ±0.2mm | ±0.3mm |
| Layer height | 0.025-0.1mm | 0.08mm |
| Min wall thickness | 0.8mm | 0.7mm |
| Max build size | 335 x 200 x 300mm | 380 x 284 x 380mm |
| Lead time | From 2 business days | From 5 business days |
| Materials | Standard Resin, Grey Pro Resin, Durable Resin, Tough 2K, Tough 1500, Rigid 4K, Rigid 10K, High Temp, Flexible, Elastic, Castable | Nylon PA12, Nylon PA11, Nylon PA12 Glass Filled |
| Best for | Visual prototypes, Medical models, Casting patterns, High-detail parts, Presentation models | End-use production parts, Production runs, Complex geometries, Automotive components, Aerospace hardware |
Our recommendation
Choose SLA when surface quality and dimensional precision are the priority — client presentations, snap-fit prototypes, and parts that need painting. Choose MJF when mechanical performance and batch consistency matter — production parts, functional testing, and parts that ship to customers.
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