A process for manufacturing or producing an implantable prosthesis in a patient, comprising the following steps: • rendering out a CAD design to implement the bony part; • manufacturing the male and female molds with the desired implant shape, depending on the body part where is to be placed in the patient; • manufacturing a quick prototype on a rapid prototyping machine, wherein said prototype corresponds exactly with the final implant and the part is completed in plastic; characterized by comprising the following steps: • coating the prototype with adhesive tape taking the shape of the implant, wherein said coating has at least one layer of tape; • removing the adhesive tape from the prototype thus obtaining another prototype with the same shape as the final implant; • performing at least one straight cut into the prototype made of adhesive tape, depending on the complexity and depth of the curved surface; • creating round holes at the inner ends of each cut of the tape prototype to then flatten said tape prototype and obtain a flat template as a flattened tape prototype • placing on the flat template of tape in a sheet of material to manufacture the implant; • trimming the sheet material of the implant according to the shape of the flat template made on adhesive tape; • preheating the male and female molds and the sheet at a temperature less than 450oC for heating the implantable metal; • introducing the implant material sheet cut between male and female molds and apply pressure until reaching the shape printed by the mold; • removing the deformed plate from the mold corresponding to the prosthesis to be implanted; • polishing the edges of the implant to prevent disruption to the surgical procedure; and • drilling the implant according to the properties of stiffness, weight and permeability of the patient's bone structure. • rendering out a CAD design to implement the bony part; • manufacturing the male and female molds with the desired implant shape, depending on the body part where is to be placed in the patient; • manufacturing a quick prototype on a rapid prototyping machine, wherein said prototype corresponds exactly with the final implant and the part is completed in plastic; • coating the prototype with adhesive tape taking the shape of the implant, wherein said coating has at least one layer of tape; • removing the adhesive tape from the prototype thus obtaining another prototype with the same shape as the final implant; • performing at least one straight cut into the prototype made of adhesive tape, depending on the complexity and depth of the curved surface; • creating round holes at the inner ends of each cut of the tape prototype to then flatten said tape prototype and obtain a flat template as a flattened tape prototype • placing on the flat template of tape in a sheet of material to manufacture the implant; • trimming the sheet material of the implant according to the shape of the flat template made on adhesive tape; • preheating the male and female molds and the sheet at a temperature less than 450oC for heating the implantable metal; • introducing the implant material sheet cut between male and female molds and apply pressure until reaching the shape printed by the mold; • removing the deformed plate from the mold corresponding to the prosthesis to be implanted; • polishing the edges of the implant to prevent disruption to the surgical procedure; and • drilling the implant according to the properties of stiffness, weight and permeability of the patient's bone structure.