Computer Science for IGCSE & O level - Hardware (Section 13 - No. 38)
Which of the following is a critical step in the process of 3D printing?
Creating a physical mold for the object.
Using CAD software to design the object.
Using a laser to cut sheets of material.
Manually assembling the object's components.
Giải thích
CAD software is essential for designing the 3D model before printing.