Abstract
This study aims to construct prototypes using three-dimensional (3D) printing technology as a research apparatus and a physics education instrument, particularly in medical physics education. Two main designs of prototypes have been arranged. Two foam NaCl templates are drawn using computer-aided design (CAD) software. Image processing techniques achieve a 3D model of a thoracic vertebra. All 3D model data are printed using polylactic acid (PLA) filament. The prints of foam NaCl templates are utilized for holding the NaCl powder. The prototype of a human vertebra is used for visualization of the real condition of the human bone anatomy. The results of the prototypes are analyzed to investigate the similarity between the model and the prints. This investigation is done using a Vernier Caliper and CT Scan. The measurement using Caliper shows a higher percentage in likeness than the CT-Scan. All the accuracy study shows they have more than 83% in similarity. It can be concluded that all built prototypes have prominent exactitude and can support the material research using the printed NaCl templates. Hereafter, a bone mock-up’s genuine perception can function for further application, such as implant or surgery planning.
Highlights
Three-dimensional printing (3DP) firstly adopted in the 1980s for industrial assembly by laying down layer per layer from the bottom to up using specific material (Savini & Savini 2015)
In the education field, medical students use the 3DP in their medical physics class and anatomy class to have a replicate model of the human organ
This study aims to construct prototypes using 3DP technology, a particular 3D printer based on fused filament fabrication, as a research apparatus in material science and a physics education instrument, in medical physics education
Summary
Three-dimensional printing (3DP) firstly adopted in the 1980s for industrial assembly by laying down layer per layer from the bottom to up using specific material (Savini & Savini 2015). The initial 3DP technology was replicating how the ink-jet printer works. Scientists, students, teachers, practicians, engineers, and almost all occupations in the world have been affected significantly by 3DP, being a solution to their limitations on understanding objects (Fonda 2013). In the education field, medical students use the 3DP in their medical physics class and anatomy class to have a replicate model of the human organ. This activity can replace the high expense of cadaver provision (Abou Hashem et al 2015, p.1).
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