3D PRINTING Flashcards
1
Q
3D printing underlying concept
A
3D objects created by adding layer upon lyaer of material
2
Q
materials used (3)
A
- plastic
- metal
- human tissue (future)
3
Q
start from what
A
3D geometric model
4
Q
3D printing medical applications (4)
A
- preprocedural planning / simulation
- patient consultation
- medical devices
- medical education
5
Q
How to print (4)
A
- poligonal model STL
- preprocessing
- 3D printing
- post processing & finishing
6
Q
info source for poligonal model STL (2)
A
- medical images DICOM
2. point cloud
7
Q
pre-processing tasks (5)
A
- refine/check model
- check STL file for error & repair
- position the model
- create supports
- slicing
8
Q
what is input data
A
approximate representation of object by triangle mesh
9
Q
input format
A
STL
10
Q
what does slicing determine
A
precision of prototype
11
Q
2 slicing options
A
- uniform slicing
2. adaptive slicing
12
Q
what is uniform slicing
A
what is uniform slicing
13
Q
what is adaptive slicing
A
thickness chosen according to surface curvature
14
Q
position the model: key issues
A
- ccuracy
- construction time
- support structure
- trapped volume
15
Q
printing technologies
A
- photopolymerization
- sintering
- sprezzatura
- gluing
- extrusion
