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Art FX

Art FX · screenshot coming soon

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What this node does

Art FX runs a GPU (torch) art-style filter over a whole COMFYTV_VIDEO clip and writes a new snapshot on ▶ Run; the source clip is untouched. Pick one of four looks with mode — each look reads its own subset of the parameters below. In and out are both COMFYTV_VIDEO. To feed native ComfyUI nodes, insert a Bridge — see the bridge guide.

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When to use it

  • Turn live-action into a flat, posterized cartoon with inked edges.
  • Give a clip a hand-drawn charcoal or emboss treatment.
  • Apply a print-style halftone dot screen for a comic or retro poster feel.

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Parameters

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mode

The look. Options: cartoon, charcoal, emboss, halftone. Default cartoon.

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threshold

Edge / line sensitivity, 0.01–1.0 (step 0.005), default 0.12. Lower catches finer, more numerous edges; higher keeps only strong contours. Used by the edge-driven looks (cartoon/charcoal).

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levels

Color posterization steps, 2–32, default 8. Fewer levels = flatter, more graphic banding (cartoon).

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diff_space

Edge-detection spacing, 1–4, default 1. Larger values sample edges over a wider pixel gap for thicker/coarser lines.

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edge_scale

Edge line strength / thickness multiplier, 0.1–8.0 (step 0.05), default 1.5. Raise for bolder outlines.

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scatter

Stroke scatter / jitter, 1–4, default 1. Higher adds a rougher, less uniform stroke (charcoal-style).

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color_mix

How much of the original color bleeds back into the stylized result, 0.0–1.0, default 0.0. At 0 the look is fully stylized; raise toward 1 to blend the source color back in.

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invert

Flips the light/dark polarity of the line or emboss result. Default off.

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azimuth / elevation

Emboss light direction. azimuth 0–360° (step 1, default 135) is the light angle around the frame; elevation 0–90° (step 1, default 30) is its height. Used by the emboss look.

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emboss_width

Emboss relief width in pixels, 1.0–40.0 (step 0.5), default 10.0. Wider = a deeper, more sculpted relief.

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dot_radius

Halftone dot radius in pixels, 1.0–10.0 (step 0.5), default 4.0. Larger dots = coarser screen.

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angle_c / angle_m / angle_y

Halftone screen angles per channel, each 0–360° (step 1). Defaults 15 (cyan), 45 (magenta), 0 (yellow). Offset them to avoid moiré and get a classic CMY rosette.

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Outputs

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Tips

  • Many parameters only matter for their own look: emboss_width/azimuth/elevation are emboss-only; dot_radius/angle_c/m/y are halftone-only; levels is mainly cartoon. Changing them in the wrong mode does nothing.
  • Nudge color_mix up a little if a stylized clip feels too monochrome.
  • Glitch FX — digital datamosh damage instead of a hand-drawn look.
  • Color Grade — grade the result afterward for mood.