The knife is designed for people who suffer from some kind of hand function problems (e.g amputees, cervical nerve injury, elderly, general weakness) and have difficulties cutting their food.
The shape of the blade is designed so it goes under the hand, this way exploiting the power from the entire arm when cutting.
Step 1: General
Step 2: Download CAD Files
see attached files
Step 3: Blade Manufacture
*an old saw blade can be used, this can spare the metal tempering stage