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Which material is commonly used in FDM 3D printing for prototyping?
- Titanium
- PLA
- Carbon Fiber
- Ceramic
Answer: PLA
PLA (Polylactic Acid) is a biodegradable thermoplastic derived from corn starch, widely used in FDM printing for prototypes, educational models, and hobbyist projects. Easy to print, low warping, and affordable. ABS offers higher strength; PETG combines durability and ease; metals/ceramics require specialized printers.