What Is 3D Printing and How Does It Work?

1. What is another term commonly used for 3D printing?

• A. Subtractive Manufacutring

• B. Additive Manufacturing

• C. Layer Subtraction

• D. Digital Fabrication

2. What is the first step in the 3D‑printing process described in the video?

• A. Sending the file to the printer

• B. Designing or obtaining a digital model

• C. Calibrating the printer nozzle

• D. Cooling the printed layers

3. 3. Which of the following is the most common material used in 3D printing?

• A. Metal powder

• B. Food paste

• C. Plastic filament

• D. Ceramic resin

4. According to the video, which of these is not a potential application of 3D printing?

• A. Printing houses

• B. Creating customized meals

• C. Printing small body parts

• D. Producing fossil fuels

5. Which advantage of 3D printing is highlighted in the video?

• A. It allows fast and cost‑effective creation of complex shapes

• B. It requires high-cost tooling

• C. Only large parts can be printed

• D. Requires manual operation for each layer