Home » News » 3D PRINTED LEARNING AIDS COULD PROVIDE TEACHERS WITH 86% COST SAVINGS

3D PRINTED LEARNING AIDS COULD PROVIDE TEACHERS WITH 86% COST SAVINGS

Views:1133     Author:ifun     Publish Time: 2021-03-31      Origin:Site

3D PRINTED LEARNING AIDS COULD PROVIDE TEACHERS WITH 86% COST SAVINGS

Teachers who 3D print open-source learning aids for their students instead of purchasing equivalent commercial products available 

from retailers like Amazon could save around 86% of costs, according to researchers from Michigan Technological University.


Conducting research into the economic viability of classroom 3D printing, the researchers found that 38 3D printable learning aid 

designs evaluated during the study have saved the educational community a total of $1.7 million so far.


With capital for purchasing physical learning aids sometimes hard to come by for many schools, 3D printing of open-source learning

 aid designs could provide a significant return on investment.

3D printed human brain model learning aid. Image via Vaclav Krmela/MyMiniFactory.

Experts attending the BETT 2020 education technology industry show in January stated the intention to bring more 3D printers 

into schools this year, after past studies showed promising findings regarding the benefits of 3D printing and 3D design in schools.


Investigating classroom economics


This study specifically investigates the economics of classroom-based 3D printing of open-source digital designs of learning aids,

 focusing on the use of open-source desktop 3D printers. Five learning aid examples were evaluated for their functionality, physically

 printed and calculated mass ratios, and 3D printer energy consumption to determine a dollar-to-kilogram cost for printing.


Then, the researchers analyzed the economic viability of an additional 33 learning aid designs, taking into account their printing and

 assembly costs, and compared them to equivalent or inferior commercial products available on Amazon. Percentage savings were 

then calculated and scaled up to a world-scale based on download volume rates.



The researchers used MyMiniFactory’s database of kindergarten, elementary, middle, and high school age-appropriate learning 

aids spanning subjects such as biology, chemistry, design and technology, mathematics, and others. They chose Amazon as the 

comparative retailer in the study due to its “well-established competitive approach” which reduces costs for consumers.


Using a Lulzbot Taz 6 3D printer and 3mm PLA filament, the researchers 3D printed learning aid designs including a clock, a brain

 model, a Pythagorean theorem visual aid, a spinal cord model, and a combustion engine.


LulzBot recently announced the latest addition to its 3D printer portfolio, the TAZ Pro S single-extrusion FDM system, which is

 primarily aimed at professional engineers, designers, and SMEs. In the video below, author of the study Joshua Pearce explains 

why Michigan Tech chose LulzBot’s printers to aid their research.


3D Printable Combustion Engine learnign aid design. Image via Jack Imakr/MyMiniFactory.


3D printing saves classroom costs


As a result of their analysis, the researchers found that fabricating the average learning aid themselves would provide teachers with 

86% cost savings. The study also found that, on average, swapping the purchase of a learning aid for one that is 3D printed saves 

more than the cost of a 1kg spool of commercial filament.


The average learning aid evaluated during the study was downloaded more than 1,500 times, indicating the potential for distributed

 manufacturing to produce learning aids around the world. The average saving per year for each open-source learning aid design was

 calculated at $11,822, with the 38 learning aids analyzed during the study producing a total $450,000 per year saving. To date, these

 particular learning aids have each provided an average saving to educators of over $45,000, totaling a $1.7 million saving for the

 international educational community.


As a result, the researchers concluded that distributed manufacturing for education will not only save schools money but also provide 

a significant return on investment of more than 100%.


Further details of the study can be found in the article titled, “The economics of classroom 3D printing of open-source digital designs 

of learning aids,” published in the MDPI journal. The study is co-authored by J. M. Pearce and N. Gallup.



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