Abstract
This study proposes a 3D printed, custom insole using an architectural lattice structure infill targeting diabetic patients at risk of foot ulcers. An analysis of five lattice configurations: Fluorite, Kelvin, Octet, Isotruss unit cells, and Truncated Octahedron was conducted to identify the most effective insole infill for plantar pressure and weight redistribution. The Kelvin lattice demonstrated minimal stiffness, suggesting its superiority in balancing plantar pressure and weight. Such lattice-structured insoles offer enhanced foot support and cushioning, crucial for ulcer-prone individuals. This research innovatively employs architectural lattice structures in designing insoles for diabetic patients, offering an insightful comparison of lattice designs for optimized foot care.
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