Creating useful lighting passes for paint-over

Setting up and exporting 3D lighting passes that give you a clean base to paint over, instead of a messy render you fight against.

Track it on the checklist

What it is

You use 3D lighting to give yourself a clean base to paint on, not a final image. That means deciding in advance what you need: a greyscale render for form, a separate shadow pass, or a specular/highlight pass for materials.

In practice: a simple, well-lit scene with flat or neutral materials, no heavy post effects, and clean separation of elements. You generate a few clear passes — diffuse/base light, shadows, reflections, ID masks, sometimes depth — that stack and adjust quickly in your paint software.

You also control resolution, camera, and render quality so passes are crisp but light enough to work with. Avoid noise, over-contrasty renders, and baked-in color casts, and name and organize passes so dropping them into your paint file is painless.

Why it matters

Without useful passes, your 3D base fights you: overcooked renders with heavy post, lens flares, or baked-in color casts lock you into decisions that are hard to undo. Missing passes force you to re-light by hand over muddy values, and noisy, low-res output blurs edges and forms. Clean passes let you spend your effort on painting, not on wrestling a cluttered render into shape.

You can check it when

✓You can list which lighting passes a task needs — diffuse, shadows, ID, depth — and produce only those, not twenty random ones.
✓Your main lighting pass drops into your painting file and gives clear form and value structure without heavy correction.
✓Your passes are low on noise and artifacts; edges and shadows stay clean enough to paint directly on top.
✓Your files and layers are named and grouped so you can rebuild your paint-over stack in minutes, not guess what each grey rectangle is.

Creating useful lighting passes for paint-over

What it is

Why it matters

You can check it when

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