PETG

Best Use Cases:

Mechanical parts and fixtures

Functional prototypes

Food containers (non-certified but commonly used)

Protective cases

Outdoor semi-exposed components

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Pros:

High impact resistance

Good layer adhesion (strong parts)

More heat resistant than PLA

Slight flexibility reduces breaking

Resistant to water and chemicals

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Cons:

Can produce stringing during printing

Surface finish less refined than PLA

Requires tuned print settings

Can be sticky on the nozzle