PLA vs PETG vs ABS: which filament for your part?
PLA is the easy prototype plastic. PETG handles more heat and impact. ABS and ASA need an enclosure. TPU bends. PA-CF is the engineering option. Pick from what TechHobby actually prints.
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How FDM works, and which filament the part actually needs.
How FDM 3D printing works
FDM melts 1.75 mm filament and stacks layers. Layer height sets detail and time. Walls usually carry more load than infill. Upload STL, OBJ, or 3MF to get a live TechHobby quote.
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