TG - File Types

Question 1

STL

Answer 1

• Commonly used for 3D printing, rapid prototyping, and CAM
• Represents surface geometry through triangles
• No representation of colour or texture/material
• Stereo lithography

Question 2

DXF

Answer 2

• Direct exchange format
• 2D CAD drawing file
• ASCII-based so more compatible across multiple systems
• Used in 2D manufacture

Question 3

DWG

Answer 3

• Drawing format
• 2D CAD drawing file
• Works with AutoCad technology, commonly used in 2D design

Question 4

VRML

Answer 4

• Virtual reality modelling language
• Used for building sequences of 3D images
• Can be interacted with by user (e.g. moving, rotating)
• 3D physical space

Question 5

3DS

Answer 5

• 3D studio

- Used to transport 3D models, animations, etc to and from different CAD platforms