The splint is one of the methods used to treat misalignment, deformations, broken limbs, and others. The breathable condition for splinting is essential for reducing the implications of the contact between human skin and the splint itself. Previous splinting fabrication apparatus in a local hospital used low thermoplastic material with no porosity. This material cannot provide breathable conditions for human skin due to low porosity. Low thermoplastic material without porosity will cause implications such as itchiness, sweats, and uncomfortable circumstances. To overcome the problem of low porosity, a new material with sufficient porosity needs to be developed. Nowadays, the use of 3D printing is increasing in medical sectors where customized items are the best solution to fit the differences of human anthropometry. Therefore, new materials such as Polylactic Acid (PLA) and Polyvinyl Alcohol (PVA) are being developed to suit the needs of particular applications. In this study, PLA/PVA melt bending method is applied to fabricate 3D printed medical splinting devices. The physical, mechanical and morphology properties are also investigated. The results revealed that a porous structure
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