Final answer:
The major invention that shaped the intellectualism and creativity of the Renaissance was the printing press.
Step-by-step explanation:
The major invention that shaped the intellectualism and creativity of the Renaissance was the printing press. The arrival of the printing press in Europe in the 15th century revolutionized the spread of knowledge and ideas. Johannes Gutenberg, a German goldsmith, improved the Chinese invention of printing and made it more useful for an alphabet-based language. The printing press allowed for the dissemination of classical Greek and Roman texts, which played a crucial role in igniting the Renaissance.