KeyShot and Its Real-Time Ray Tracing Engine

Published on January 06, 2026 | Translated from Spanish
Screenshot of the Keyshot interface showing a 3D product model with realistic materials, dynamic lighting and reflections, updating in real time.

Keyshot and its real-time ray tracing engine

Keyshot stands out as a 3D rendering application that processes images continuously. Its core, a real-time ray tracing engine, displays every modification instantly, transforming how 3D models are worked with. 🚀

Immediate interaction with the scene

The system calculates without pause how light interacts with surfaces and materials. When moving a light source or editing a finish, the view refreshes immediately, including complex effects like reflections, transparencies, and soft shadows. This technology leverages the power of modern GPUs to handle this data, delivering an accurate visual representation that eliminates guesswork.

Key advantages of real-time processing:
  • Calculate light-surface interaction continuously and without delays.
  • Display reflections, refractions, and soft shadows instantly.
  • Use graphics hardware (GPU) to process complex data in real time.
The precision of rendering helps communicate ideas effectively.

Optimize the creative workflow

For designers and engineers, this immediacy is essential. It allows testing multiple visual options quickly, reducing review cycles and enabling agile iteration. Being able to see the final result while working is invaluable for presentations and last-minute adjustments.

Benefits in the process:
  • Experiment with different material and lighting configurations quickly.
  • Shorten review and feedback cycles.
  • Present and adjust visual concepts in advanced project stages.

Render without waiting

The responsiveness is so remarkable that it sometimes makes you question whether the program is calculating or simply anticipating elegantly. This accelerated workflow not only streamlines the creative process but also empowers the user to make informed decisions with a preview that already has final image quality. The barrier between previewing and rendering is completely blurred. 💡