Question

additive manufacturing and filament
what is warping in 3d printing?
a situation where the nozzle is clogged, causing a sudden halt in extrusion
a condition where the filament breaks into smaller pieces during printing.
the visible lines or defects on the surface of the print.
the curling up and lifting of the corners of a print from the build plate.

Explanation:

Warping in 3D - printing occurs due to uneven cooling and contraction of the printed material. As the layers cool, the edges or corners may lift off the build plate, curling upwards. This is a common issue in 3D - printing. The other options describe different 3D - printing problems like nozzle clogging, filament breakage, and surface defects.

Answer:

D. The curling up and lifting of the corners of a print from the build plate.