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(A) Sequence of material deposition obtained with IR thermal camera (A325sc; FLIR Systems). (B) Temperature profile of a fixed point along the structure, from time of extrusion, for a single cycle of deposition (18 s). The point is highlighted with white arrows in (A) and corresponding time (t1, t2, and t3) in (B). (B) Also shows critical temperatures and material phases of PLA34. Color images are available online.
