Introduction: Why Choosing the Right Process Matters
The wrong printing process can mean wasted money, poor surface finish, or a part that breaks too quickly. For prototypes in India, FDM and SLA dominate the market. Let’s see when to choose each.
What is FDM 3D Printing?
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Uses filaments like PLA, ABS, PETG, TPU.
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Best for functional parts, prototypes, and affordable printing.
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Benefits: strong, cheap, fast.
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Limitations: lower surface finish, layer lines visible.
What is SLA 3D Printing?
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Uses liquid resin cured by UV light.
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Best for detailed, smooth, high-accuracy prototypes.
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Benefits: fine detail, smooth surfaces, transparent options.
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Limitations: more expensive, brittle materials.
Side-by-Side Comparison
| Feature | FDM 3D Printing | SLA 3D Printing |
|---|---|---|
| Cost | Affordable | Higher (resins) |
| Speed | Faster for simple parts | Slower, especially curing |
| Detail | Moderate (0.1–0.3 mm) | High (0.025–0.1 mm) |
| Strength | Strong, durable | Brittle in some cases |
| Best Use | Functional prototypes | Visual/display prototypes |
Real-World Use Cases
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FDM Example: A mechanical gear prototype in ABS.
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SLA Example: A clear resin housing for a medical device.
FAQs
Q1: Which is stronger, FDM or SLA?
FDM prints are generally stronger and better for mechanical use.
Q2: Which is cheaper?
FDM is usually more affordable. SLA is more premium.
Q3: Which is better for looks?
SLA gives smoother, more professional-looking parts.
Conclusion + CTA
The right choice depends on your needs. If you want affordable, functional parts—go with FDM. If you want high-detail, professional finishes—go with SLA.
