How Does a 3D Printer Work?
Explore the parts of an FDM 3D printer
Use our free interactive guide to discover how an FDM 3D printer works.
Select any of the 14 labelled components to learn what it does, why it matters and how it affects the quality of a finished 3D print.
Click a component below to start exploring.
What will you learn?
Explore important components including the extruder, hotend, nozzle, heated build plate, stepper motors, control board and filament system.
For each part, you can:
- Discover its purpose
- Understand how it fits into the complete printer
- Explore common faults and printing problems
- Learn how different components affect print quality
A Free 3D Printing Classroom Resource
This interactive guide is ideal for teachers, students and anyone beginning their 3D printing journey.
Use it to introduce FDM 3D printing, support classroom demonstrations, develop technical vocabulary or help students troubleshoot common printing problems.
Ready to Teach 3D Printing?
Learnbylayers provides complete 3D printing curriculum resources designed to help schools teach 3D printing with confidence.