How did victor assemble his creation in Frankenstein?

In Mary Shelley's "Frankenstein," Victor Frankenstein assembles his creation by gathering body parts from various sources, including graveyards and cadavers. He meticulously pieces together these parts in his laboratory, driven by a desire to unlock the secrets of life. After extensive experimentation, he ultimately animates the creature using an unspecified technique, but is horrified by the result, leading to his deep regret and fear. This act of creation becomes a central theme, exploring the consequences of unchecked ambition and scientific exploration.