This section involves the process of designing, building, and customizing a prosthesis to ensure it fits comfortably, securely, and functions effectively for a user. It involves crafting a snug interface between the residual limb and the prosthetic socket, fine-tuning the fit and alignment, and adjusting the device to the user’s specific needs. This process is crucial for restoring mobility, improving quality of life, and preventing common issues like discomfort or skin irritation.