Modular book mold systems and methods

An assembly, comprising:

• a first mold blank capable of being machined to create a first mold cavity, the first mold blank comprising a first hinge end and a first handle end located opposite the first hinge end, the first hinge end comprising a first hinge slot located on an inner surface of the first mold blank;
• a second mold blank capable of being machined to create a second mold cavity, the second mold blank comprising a second hinge end and a second handle end located opposite the second hinge end, the second hinge end comprising a second hinge slot located on an inner surface of the second mold blank;
• a first hinge bracket detachably coupled to the first hinge slot;
• a second hinge bracket detachably coupled to the second hinge slot;
• and
• a hinge pin detachably coupled to the first hinge bracket and the second hinge bracket, wherein the first mold blank and the second mold blank are configured to rotate about the hinge pin.