Render times can be reduced using a “noise threshold”. Reducing Render Times With “Noise Threshold” What we want to do is strike a balance between render quality and render time. In any case, Intel’s denoiser is preferred for final renders. Note that you might not have OptiX: it depends on your hardware. Tip: There are two different de-noising tools in Blender: OptiX and Intel’s denoiser (OpenImageDenoise). We will leave the denoising off for now, turning it on later, after we have decided on a sample count that gets us most of the way to where we want to be. We can cheat a bit using one of Blender’s “de-noise” tools, which will help reduce the “graininess” without requiring us to use a very high sample count. The way to fix this is to increase the sample count, but this has an important side effect: renders will take longer when we do this! With a low sample count, renders will appear “noisy”. Let’s now render the donut with a low sample count (say, 100): We will also turn off compositing temporarily: We will first turn off “Noise Threshold” and “Denoise” in the rendering settings, here: However, with some tweaking, it can be made to produce much faster renders. In Blender, there are two options for rendering: Eevee (a fast rendering engine, like those used for 3D games) and Cycles (a ray-tracing rendering engine, typically used for 3D art and animations).Ĭycles usually takes significantly longer to render a result. This file is the result of my work after following along with the steps in the YouTube video. You can download the associated “.blend” file here.You can download a PDF copy of this post here.Notes below correspond to this YouTube video.
I’ll be making additional notes for each of the videos in the series! Just some notes I made while following along with this now-famous blender donut tutorial.
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