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3D Printing:

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by

Charlotte Eagen

on 13 March 2014

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Transcript of 3D Printing:

Pedagogy: 3D Printing and Constructivism
Constructivist Learning Theory
The idea that students learn through experience, they construct their own learning based on their experiences.
References
Academic Sources
Kocadere, S., & Ozgen, D. (2012). Assessment of basic design course in terms of constructivist learning theory. Procedia – Social and Behavioural Sciences, (52), 115-119.
MacGregor, C. (2012) Absolutely fabricated: The skeptic's guide to 3D printing. New Scientist, 216(2895), 46-49.
Berman, B. (2012). 3D printing: The new industrial revolution. Business Horizons, 55(2), 155-162.

Websites
https://allabout3dprinting.com/blackberry/
http://www.3ders.org/3d-printing-basics.html
http://www.businessinsider.com/useful-3d-printer-projects-2013-9?op=1
http://3dprintingsystems.com/education/
Practical Considerations in the Classroom
Fosters the transformation of creativity and imagination into practical settings by printing out what students create
What is 3D Printing & What Can it do?
Welcome to the blueprint of discovering how 3D printing works and how it can impact education in the future.



An Example of Constructivist Learning Using 3D printing
3D Printing: Changing the future
Please begin by watching this video which briefly explains 3D printing and some of the many possibilities it creates
Societal Impacts
Limitations of 3D Printing
Technologies
Part

1
: 3D printers have different categories
Industrial: printers which are higher in price but can create more complex objects such as organs
Consumer: becoming more affordable as demand increases and technology is developed
Part 3: Printing Technologies
There are three types of 3D printing technology

SLS (selective laser sintering): a laser traces the layers of the object to melt powder into the desired shape
FDM (fused depostion modeling): filaments are melted and shot out in a stream to create the shape of the layers
SLA (stereolithograhpy): uses a similar process as SLS but with liquid photo polymer as the material

If interested, copy the links below to see how they work
SLS - http://www.youtube.com/watch?v=wD9-QEo-qDk#t=129
FDM - http://www.youtube.com/watch?v=SPtkOmP_HoA#t=65
SLA - http://www.youtube.com/watch?v=iceiNb_1E0I#t=28
Android
Blackberry
iPhone and iPad
Linux
Mac
Microsoft
Part 2
: Software has been developed for the following devices to easily create and share 3D printing designs:
3D printing can allow students to design, create, and manipulate aspects of the topics they are studying to gain a deeper, more meaningful understanding
Positive Impacts of 3D Printing
As 3D printing technologies continue to develop, the exciting possibilities become limitless. All of the items in the following images were printed
Generators
Solving common problems
Organs
Musical Instruments
Household Items
Clothing
Time constraints
- Can take hours, or days to print complex objects

Cost
- The cost of consumer level printers is approximately $2000, however, this is a great decrease and as the technology is improved so should the price

Technological abilities
- the design programs can be complicated and may require skilled individuals, especially for more complicated designs that include multiple materials which also require a higher level of printer which is more costly

Copyright issues
- the topics of intellectual property and copyright become increasingly complicated with 3D printing. Issues surrounding what can be printed and what cannot can cause conflict.
While this technology presents promising benefits for the future, it is not without its drawbacks
Allows students the opportunity to completely engage in designing, engineering, and testing with hands on experience
Students can analyze real world problems and create practical solutions. For example printing out pass holders to facilitate speed at toll check ins to cross bridges.
3D printers can be incorporated at all levels of education, for example:
Primary - building objects in Minecraft that can be printed out, designing and printing shapes to learn their features
Secondary - applying complex equations to design programs and printing out the creations
Post-secondary - engage students in engineering by having them identify a problem and complete the entire design cycle to create a solution
Critique of Article
Berman, B. (2012). 3D printing: The new industrial revolution. Business Horizons, 55(2), 155-162.
Berman's article provides a comprehensive overview of 3D printing, how it works, its applications, and its future potential. He describes the layer-by-layer process that 3D printing uses to create objects which distinguish it from other rapid prototyping machines which are more expensive and have more complicated software. The article discusses many interesting ways that 3D printing can revolutionize the way our society functions, such as by allowing people to print small parts or intricate pieces of objects that are lost or broken. However, there was little mention of the limitations associated with this technology which would have enriched the article.
Full transcript