CompTIA A+ Certification Core 1 (220-1101) - 3D Printing

The video tutorial provides an overview of 3D printing, its introduction into the A+ exam, and a detailed explanation of how 3D printers work. It covers the components of a 3D printer, types of filament, and the process of preparing a 3D model for printing using software like Cura. The tutorial also explains the slicing process, infill, and support options, and concludes with final steps and tips for successful 3D printing.

What is the primary function of the extruder in a 3D printer?

• To scan the 3D model

• To cool down the printed object

• To move the print bed

• To extrude melted material to form shapes

Which material is commonly used as filament in 3D printing?

• Paper

• Glass

• Wood

• PLA

What is the purpose of preheating the 3D printer?

• To calibrate the printer

• To ensure the filament is ready to be extruded

• To clean the printer

• To cool down the printer

What does the slicing process in 3D printing involve?

• Painting the 3D model

• Cutting the filament into pieces

• Dividing the 3D model into layers

• Assembling the 3D model

What is the function of 'infill' in the slicing process?

• To decide the outer shape of the print

• To adjust the print speed

• To determine the color of the print

• To fill the interior of the print for strength

Why is it important to have enough filament before starting a print?

• To reduce noise during printing

• To make the printer faster

• To prevent the print from stopping midway

• To ensure the print bed is clean

What is the final file format used to start the 3D printing process?

• JPEG

• MP4

• G code

• PDF