In this stunning masterpiece of digital art, we are presented with a visual feast of unparalleled quality and precision. The centerpiece of this ultra-detailed CG illustration is a mechanical boy, meticulously crafted to showcase the epitome of craftsmanship and creativity.

Every aspect of this mechanical wonder is a testament to the artist's dedication to perfection. From the intricate machine-made joints, measured at an astonishing 1.4 units, to the mechanical limbs that move with an uncanny lifelike grace, this work of art exudes a level of detail that is simply breathtaking.

The boy's exposed muscles, connected to water vessels through intricate tubes, give us a glimpse into the inner workings of this mechanical marvel, adding depth and complexity to the composition. A brain, encased in a container with precise dimensions of 1.3 units, sits at the core of this creation, a symbol of both human intelligence and technological prowess.

Attached to the boy's back are mechanical vertebrae, seamlessly integrating with the body, and a mechanical cervical structure that extends to the neck, enhancing the overall aesthetics and functionality of this cinematic masterpiece.

As the mechanical boy sits in repose, the cinematic lighting bathes the scene in an ethereal glow, casting shadows and highlights that create a mesmerizing play of light and shadow. The boy's expressionless face adds an enigmatic quality to the artwork, inviting viewers to contemplate the meaning and significance of this intricate creation.

In sum, this illustration is a testament to the fusion of art and technology, a celebration of the beauty that can be found in the most delicate and complex of creations. It stands as a true masterpiece, a paragon of artistic and technical achievement, and a visual experience that will leave a lasting impression on all who are fortunate enough to behold it.