A method comprising: receiving a mold fabrication element 120, the mold fabrication element 120 having a hollowed volume 150 defining a respective continuous inner surface; disposing the mold fabrication element 120 into a cavity 220 of a mold assembly 210, the mold assembly 210 including a first mold side 210-1 and a second mold side 210-2, the first mold side 210-1 including a void 235-1 to receive a first portion of the mold fabrication element 120, the second mold side 235-2 including a void 235-2 to receive a second portion of the mold fabrication element 120, wherein the cavity 220 is defined by an inner surface of the first mold side 210-1, second mold side 210-2, a third mold side 210-3, and a fourth mold side 210-4, the third mold side 210-3 and the fourth mold side 210-4 able to be withdrawn from the mold assembly 220, the respective continuous inner surface of the mold fabrication element 210 exposed in the cavity 220; and injecting plastic into the cavity 220 to create a molded part 320 within the cavity, the molded part having a flash free region between the third mold side 210-3 and the fourth mold side 210-4, the flash free region formed along the continuous inner surface of the hollowed volume 150 in the mold fabrication element 120, wherein disposing the mold fabrication element 120 into the cavity 220 of the mold assembly 210 includes: inserting the first portion of the mold fabrication element 120 into the void 235-1 of the first mold side 210-1; and joining the first mold side 210-1 to the second mold side 210-2 to produce the cavity 120, the void 235-1 of the first mold side 210-1 and the void 235-2 of the second mold side 210-2 retaining the mold fabrication element 120 in a desired location of the cavity 150. receiving a mold fabrication element 120, the mold fabrication element 120 having a hollowed volume 150 defining a respective continuous inner surface; disposing the mold fabrication element 120 into a cavity 220 of a mold assembly 210, the mold assembly 210 including a first mold side 210-1 and a second mold side 210-2, the first mold side 210-1 including a void 235-1 to receive a first portion of the mold fabrication element 120, the second mold side 235-2 including a void 235-2 to receive a second portion of the mold fabrication element 120, wherein the cavity 220 is defined by an inner surface of the first mold side 210-1, second mold side 210-2, a third mold side 210-3, and a fourth mold side 210-4, the third mold side 210-3 and the fourth mold side 210-4 able to be withdrawn from the mold assembly 220, the respective continuous inner surface of the mold fabrication element 210 exposed in the cavity 220; and injecting plastic into the cavity 220 to create a molded part 320 within the cavity, the molded part having a flash free region between the third mold side 210-3 and the fourth mold side 210-4, the flash free region formed along the continuous inner surface of the hollowed volume 150 in the mold fabrication element 120, wherein disposing the mold fabrication element 120 into the cavity 220 of the mold assembly 210 includes: inserting the first portion of the mold fabrication element 120 into the void 235-1 of the first mold side 210-1; and joining the first mold side 210-1 to the second mold side 210-2 to produce the cavity 120, the void 235-1 of the first mold side 210-1 and the void 235-2 of the second mold side 210-2 retaining the mold fabrication element 120 in a desired location of the cavity 150. inserting the first portion of the mold fabrication element 120 into the void 235-1 of the first mold side 210-1; and joining the first mold side 210-1 to the second mold side 210-2 to produce the cavity 120, the void 235-1 of the first mold side 210-1 and the void 235-2 of the second mold side 210-2 retaining the mold fabrication element 120 in a desired location of the cavity 150.