3D Prosthetic foot

thingiverse

This is a cutting-edge modular prosthetic foot, fully designed with 3D printing technology in mind. Its modular architecture makes it easy to download, test, and improve upon using open-source design principles. DISCLAIMER: Proceed with caution and don't attempt to use this device without the guidance of a qualified prosthetist. Although the video showcases an amputee successfully completing a gait test using the prosthetic foot, it's still a prototype and current 3D printing materials may fail after a few uses due to fatigue stress. I've used ABS, but feel free to experiment with PC, nylon-carbon fiber, ULTREM, or other materials to see how they hold up. To assemble this revolutionary prosthetic foot, you'll need the following components: 3D printed parts: Keel Sole Top x2 Non-3D printed components: One or two springs for the heel component Four M4 bolts (40mm length) and nuts for assembling the pyramid adapter and keel Two M5 bolts (20mm length) and nuts for securing the bottom of the springs to the sole Two M4 bolts (20mm length) and nuts for attaching the top of the springs to the keel One M6 bolt (20mm length) and nut for connecting the sole to the keel in the front Four washers to keep the spring securely in place Gait test video: https://www.youtube.com/watch?v=hhjsND-j9Gs As you can see from the picture, it's possible to adjust the height of the foot by scaling up or down the Z-size of the Top-adapters. The length of the foot (one centimeter equals one foot size) can be adjusted by altering the position of the sole, and the stiffness of the springs or their amount can be modified according to personal preference.