CAD Modeling:

• Use CAD software to create a model of the wrist brace.
• Ensure proper anatomical fit by using scanning technology.
• Design ergonomic features like palm support and adjustable straps.
• Include slots or attachment points for straps
• Simulate stress analysis to ensure the design provides adequate support.

Materials Selection:

• Rigid Parts: Thermoplastics or flexible materials like TPU for 3D printing.
• Fastening Components: Velcro for adjustability.

Fabrication
3D Printing

• Setup the 3D printer with the chosen material
• Slice the CAD file using slicing software (e.g., Cura) and ensure proper settings like infill, layer height, and print speed.
• Print individual parts (e.g., the main body structure)
• Inspect the printed parts for accuracy and durability

Assembly
Attach Straps

• Use Velcro to create adjustable fastening mechanisms.
• Secure straps to the printed or fabricated brace using adhesives

Final Adjustments and Testing

Prototype Fit Testing:

• Test the fit of the brace on a volunteer or use a prosthetic hand for fitting.
• Adjust the strap tightness and hinge position (if used) to ensure comfort and range of motion.

Mechanical Testing:

• Perform load testing or bending stress tests to verify that the brace provides the necessary support.
• Adjust design if needed based on the feedback from mechanical and fit tests.

Comfort Adjustments:

• Smooth out any sharp edges or rough surfaces using sanding tools.