What does CAD stand for in the context of 3D design?

• Computer-Aided Design

• Creative Animation Design

• Computer Algorithmic Drawing

• Contemporary Artistic Design

Which file format is commonly used for storing 3D models?

• JPG

• PNG

• STL

• PDF

What is the purpose of a slicer software in 3D printing?

• To convert 2D images into 3D models

• To create support structures for overhangs

• To slice the 3D model into thin layers for printing

• To add textures and colors to the 3D model

Which of the following is not a common type of 3D printing technology?

• FDM (Fused Deposition Modeling)

• SLA (Stereolithography)

• CNC (Computer Numerical Control)

• SLS (Selective Laser Sintering)

Which component of a 3D printer melts and deposits the material layer by layer?

• Extruder

• Build plate

• Resin tank

• Laser

What is the purpose of the build plate in a 3D printer?

• To cool down the printed object

• To provide a stable base for printing

• To control the temperature inside the printer

• To store filament spools

Which of the following materials is not commonly used in FDM 3D printing?

• PLA (Polylactic Acid)

• ABS (Acrylonitrile Butadiene Styrene)

• Nylon

• Resin

What does the term "overhang" refer to in 3D printing?

• A feature of the 3D model that extends beyond the print bed

• A defect caused by improper filament feeding

• A type of support structure used for intricate designs

• A layer separation issue during printing

Which parameter determines the layer resolution of a 3D printed object?

• Printing speed

• Layer height

• Filament diameter

• Extruder temperature

Which of the following is a post-processing technique used to smooth the surface of 3D printed objects?

• Sanding

• Painting

• Electroplating

• All of the above