If you often need an easy way to quickly add any custom markings directly onto an asset inside Nuke, you can now do it using Leonel Nguyen's ACS_AutoCustomScribbles. It leverages Nuke's particle system to generate stylized scribbles that inherit their base color from the underlying texture.

Each frame produces a slightly different variation, allowing you to quickly iterate through multiple "seed" looks until you find the right result. You can also adjust parameters like scribble size and density to fine-tune the effect for your shot.

Download ACS_AutoCustomScribbles on Nukepedia. Below are some before/after comparisons showing how it transforms assets into more expressive results:

Do you perhaps need a traffic cone asset like the one in the video above? Alex Martinelli just released a procedural Blender tool that generates them for free.

You might also be interested in Marty Blumen's work, particularly his free tool that allows you to render volumetric effects directly inside Nuke:

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