Question

additive manufacturing and filament
which of these is the easiest filament for a beginner to use?
pla
petg
tpu
abs

Explanation:

PLA (Polylactic - acid) is popular among beginners due to its low melting point, ease of printing, and less warping compared to other filaments like PETG, TPU, and ABS. It is also more forgiving in terms of printing temperature and bed adhesion.

Answer:

A. PLA