3D Printing Materials Comparison: PLA, PETG, ABS, and Resin

The success of your 3D printed part depends entirely on material selection. At EOD Cube, we offer a range of polymers across FDM, SLA, and DLP technologies — all printed in-house at our Pune facility.

Materials at a glance

| Material | Technology | Tensile Strength | Heat Resistance | Flexibility | Surface Finish | Cost Tier | Best For | |---|---|---|---|---|---|---|---| | PLA | FDM | 37 MPa | 60°C | Low (brittle) | Good | ₹ | Display models, prototypes | | PLA+ | FDM | 46 MPa | 65°C | Moderate | Good | ₹ | Improved prototypes | | PETG | FDM | 50 MPa | 80°C | Good | Good | ₹₹ | Functional parts, enclosures | | ABS | FDM | 40 MPa | 85°C | Good | Fair (needs finishing) | ₹₹ | Automotive, heat-exposed parts | | Nylon (PA) | FDM | 70 MPa | 110°C | Excellent | Fair | ₹₹₹ | Gears, bearings, hinges | | Carbon-Fibre Nylon | FDM | 110 MPa | 150°C | Low | Matte | ₹₹₹₹ | Aerospace, tooling, jigs | | Standard Resin | SLA/DLP | 45 MPa | 50°C | Low (brittle) | Excellent | ₹₹ | Miniatures, jewelry masters | | Tough Resin | SLA/DLP | 55 MPa | 70°C | Moderate | Excellent | ₹₹₹ | Functional resin parts |

What is PLA best used for?

Polylactic Acid (PLA) is the standard for visual prototyping and non-functional models. It prints with high dimensional accuracy and offers excellent surface detail, but it has low heat resistance (deforming around 60°C) and can be brittle under impact. Use it for architectural models, display pieces, and early-stage form studies.

When should you upgrade to PETG or ABS?

PETG and ABS are the go-to materials for functional, load-bearing parts.

PETG offers excellent layer adhesion, flexibility, and chemical resistance, making it ideal for snap-fit joints and water-resistant enclosures. ABS provides high temperature resistance (up to 85°C) and exceptional impact strength, but requires controlled environments to prevent warping. Use these for mechanical prototypes, automotive parts, and custom tooling.

For a deeper dive on designing parts that need mechanical performance, see our functional vs display parts guide.

Why choose SLA/DLP Resin over FDM?

Resin 3D printing (SLA and DLP) is required when ultra-fine detail, isotropic strength, or a perfectly smooth surface finish is necessary. While FDM deposits melted plastic in visible layers, resin printing cures liquid photopolymers with light, achieving tolerances down to ±0.1mm. Standard resins are perfect for miniatures and jewelry masters, while Tough Resins mimic the mechanical properties of ABS for functional engineering parts.

Do you offer composite materials?

Yes. We print Nylon infused with Carbon Fiber (PA6-CF) for aerospace, automotive, and industrial applications requiring extreme rigidity, high tensile strength, and heat resistance up to 150°C.

How does material choice affect cost?

Material cost is one of the biggest factors in your final 3D printing price. Engineering-grade materials (Nylon, Carbon-Fibre Nylon, Tough Resin) cost 2-4x more per gram than standard PLA. However, choosing a cheaper material that doesn't meet your mechanical requirements will cost more in the long run due to part failures and reprints.

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Related guides: Cost Guide · Tolerances & Design Rules · How On-Demand 3D Printing Works

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