Overview
This lecture introduces 3D printing, explaining its technology, key uses, workflow, and its potential to disrupt traditional manufacturing and consumer culture.
What is 3D Printing?
- 3D printing transforms digital files into physical, three-dimensional objects.
- The technology enables mass customization and turns consumers into creators.
- Objects produced often lack copyright protection.
How 3D Printing Works
- Obtain a 3D file by downloading or designing your own using CAD (computer-aided design) software.
- The software slices the design into digital layers.
- The 3D printer builds the object layer by layer, usually with plastic.
Applications and Examples
- Enables inventors, engineers, and designers to make prototypes or small production runs.
- Teachers can print educational models, like ships, for classroom use.
- Common household items such as iPhone cases or replacement parts can be printed.
- Custom parts, like stroller components, can be produced cheaply and quickly.
Economic Impact and Marketplaces
- 3D printers are becoming more affordable and user-friendly for the average person.
- Online platforms like Shapeways allow users to upload, print, and sell custom models globally.
- On-demand, inventory-free production reduces market entry risks and changes traditional product development.
- Passive income is possible by selling printed products worldwide without holding stock.
Key Terms & Definitions
- 3D Printing — a method to build physical objects from digital files, layer by layer.
- CAD (Computer-Aided Design) — software for designing 3D models for printing.
- Mass Customization — production of personalized products at scale.
- Slicing — dividing a 3D model into horizontal layers for printing.
Action Items / Next Steps
- Explore online resources to download 3D models or design your own.
- Research 3D printing marketplaces, such as Shapeways.
- Consider how 3D printing could be used in future personal or classroom projects.