ASA

Best Use Cases:

Outdoor enclosures

Automotive parts

Signboards and branding elements

Garden equipment components

Weather-exposed prototypes

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Pros:

Excellent UV resistance (doesn’t yellow)

High weather resistance

Strong and durable

Better dimensional stability than ABS outdoors

Good mechanical strength

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Cons:

Requires heated enclosure for best results

Warping risk if not printed properly

Fumes during printing (ventilation needed)

More difficult than PLA/PETG