Surgical devices and implements, namely, pins, dowels, and rods for bone fixation; 3D printed bone fixation devices and implements, namely, pins, dowels, and rods for bone fixation; 3D printed bone fixation surgical devices and implements, namely, fixation surgical devices for upper and lower extremities; medical devices, namely, 3D printed bone fixation surgical devices and implements for upper and lower extremity intramedullary bone repair and fusion