Are you tired of waiting for your full 3D model to render in Blender every time you make a change? Preview rendering allows you to quickly see how your model looks without waiting for the final render. Follow these steps to efficiently preview in Blender: 1. Set up your scene: Before you start previewing, make sure your scene is set up with proper lighting, materials, and camera angles. 2. Adjust preview settings: In the Render Properties tab, you can adjust the preview settings such as resolution, quality, and samples. Lowering these settings can speed up the preview rendering process. 3. Use Rendered Viewport Shading: In the Viewport Shading dropdown menu, select Rendered to see a live preview of your model with lighting and materials applied. This mode provides a close approximation of how your final render will look. 4. Optimize your model: If your preview rendering is still slow, consider optimizing your 3D model by reducing unnecessary geometry and textures. This can significantly improve preview rendering times. 5. Take advantage of GPU rendering: If you have a compatible GPU, enable GPU rendering in the Render Properties tab. This can dramatically speed up both preview and final rendering times. By following these steps, you can efficiently preview your 3D models in Blender and save valuable time during the design process.