Complete 3D Printing Materials Guide: PLA vs PETG vs ABS
Choosing the right material is critical for a successful print. Learn the key differences between PLA, PETG, ABS, and TPU to ensure your 3D printed part is strong enough, heat-resistant enough, and perfect for its intended use.
Different applications require different materials. You wouldn't build a house out of paper, and you shouldn't print a car part out of standard PLA. Here is our guide to the most common filaments used at B.3D Print Studio.
1. PLA (Polylactic Acid)
- Best For: Visual models, architectural prototypes, decorative items, and indoor use.
- Pros: Easy to print, high detail, affordable, biodegradable.
- Cons: Brittle, low heat resistance (deforms in a hot car).
- Verdict: The go-to for Architectural Models.
2. PETG (Polyethylene Terephthalate Glycol)
- Best For: Functional parts, outdoor brackets, clips, and mechanical components.
- Pros: Strong, flexible (won't snap easily), UV resistant, water resistant.
- Cons: Slightly less detail than PLA.
- Verdict: The king of Replacement Parts.
3. ABS / ASA (Acrylonitrile Butadiene Styrene)
- Best For: Automotive parts, high-stress components, and outdoor items exposed to extreme sun.
- Pros: Very high heat resistance (up to 100°C), durable, can be smoothed with acetone.
- Cons: Can warp during printing (we solve this with enclosed printers).
- Verdict: Essential for Engineering Prototypes.
Summary Table
| Material | Strength | Heat Resistance | Outdoor Use |
|---|---|---|---|
| PLA | Medium | Low (60°C) | No |
| PETG | High | Medium (80°C) | Yes |
| ABS/ASA | Very High | High (100°C) | Yes (Best) |
Still unsure?
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