3D Printers

What is the primary manufacturing method used in 3D printing?

• a) Subtractive manufacturing
• b) Additive manufacturing
• c) Molding
• d) Casting

Which of the following materials can be used in 3D printing?

• a) Plastic
• b) Metal
• c) Ceramic
• d) All of the above

What is the first step in the 3D printing process?

• a) Printing the object layer by layer
• b) Designing the object using CAD software
• c) Post-processing the printed object
• d) Setting up the 3D printer

What is the role of post-processing in 3D printing?

• a) To remove excess material or support structures
• b) To strengthen the printed object
• c) To add color to the printed object
• d) All of the above

Which of the following is NOT a potential application of 3D printing?

• a) Manufacturing car parts
• b) Creating custom jewelry
• c) Printing food
• d) None of the above

Briefly explain the difference between additive and subtractive manufacturing.

List two advantages of 3D printing over traditional manufacturing methods.

List the names of basic steps involved in 3D printing of a simple object.