neversight/learn-skills.dev/svg-art

Claude Code and agent skill by neversight/learn-skills.dev

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Create SVG graphics through programmatic code generation. Use this skill when the user asks to create icons, logos, illustrations, diagrams, data visualizations, generative art, patterns, fractals, or any vector graphics. Provides executable Python scripts for grids, radial patterns, fractals, waves, particles, charts, icons, and optimization.

Install

npx vskill@latest install neversight/learn-skills.dev/svg-art

SKILL.md

SVG Art: Programmatic Generation

Generate high-quality SVG graphics using Python scripts. All scripts output valid SVG to stdout (or file with -o).

Available Scripts

ScriptPurposeKey Options
generate_grid.pyGrid patterns--cols, --rows, --shape, --vary-*
generate_radial.pyRadial/spiral/sunburst--spiral, --concentric, --sunburst
generate_fractal.pyFractals (tree, koch, sierpinski)--tree, --koch, --sierpinski, --depth
generate_wave.pyWaves and audio viz--layers, --noise, --bars
generate_particles.pyScatter/cluster/constellation--cluster, --gradient, --constellation
generate_chart.pyData visualization--bar, --line, --pie, --donut
generate_icon.pyCommon UI icons--icon NAME, --list, --filled
optimize_svg.pyMinify/optimize SVG--aggressive, --stats

Quick Examples

bash
# Grid with size variation
python scripts/generate_grid.py -c 6 -r 6 --vary-size --vary-opacity -o grid.svg
 
# Spiral pattern
python scripts/generate_radial.py --spiral -n 60 --turns 4 -o spiral.svg
 
# Fractal tree
python scripts/generate_fractal.py --tree --depth 8 --vary-angle -o tree.svg
 
# Layered waves with fill
python scripts/generate_wave.py --layers 5 --fill -o waves.svg
 
# Constellation network
python scripts/generate_particles.py --constellation -n 30 --connect-distance 25 -o network.svg
 
# Bar chart
python scripts/generate_chart.py --bar --data "30,50,80,45,90" --labels "A,B,C,D,E" -o chart.svg
 
# Heart icon
python scripts/generate_icon.py --icon heart --filled --stroke "#E11D48" -o heart.svg
 
# Optimize existing SVG
python scripts/optimize_svg.py input.svg --aggressive -o output.svg

Script Usage Patterns

Grid Patterns
bash
python scripts/generate_grid.py \
  -c 8 -r 8           # columns and rows
  -s 10 -g 2          # size and gap
  --shape circle      # rect, circle, or diamond
  --vary-size         # random size variation
  --vary-opacity      # random opacity
  --vary-hue          # color variation
  --seed 42           # reproducible randomness
Radial Patterns
bash
# Concentric rings
python scripts/generate_radial.py --concentric --rings 5 --vary-hue
 
# Sunburst rays
python scripts/generate_radial.py --sunburst -n 24 --vary-length
Fractals
bash
# Koch snowflake
python scripts/generate_fractal.py --koch --depth 4 --fill "#3B82F6"
 
# Sierpinski triangle
python scripts/generate_fractal.py --sierpinski --depth 5
Charts
bash
# Line chart with points
python scripts/generate_chart.py --line --data "10,30,20,50" --show-points --smooth
 
# Donut chart
python scripts/generate_chart.py --donut --data "40,30,20,10" --labels "A,B,C,D"
Icons
bash
# List all available icons
python scripts/generate_icon.py --list
 
# Common icons: check, x, plus, menu, search, home, user, settings,
# mail, heart, star, play, file, download, edit, share, sun, moon, etc.

Common Options (All Scripts)

  • --fill COLOR: Fill color (default: #3B82F6)
  • --stroke COLOR: Stroke color
  • --stroke-width N: Stroke width
  • --seed N: Random seed for reproducibility
  • -o FILE: Output to file instead of stdout

Piping and Composition

Scripts can be piped together:

bash
# Generate and optimize
python scripts/generate_grid.py -c 10 -r 10 | python scripts/optimize_svg.py --aggressive
 
# Check optimization stats
python scripts/generate_fractal.py --tree --depth 10 | python scripts/optimize_svg.py --stats

SVG Fundamentals Reference

See references/svg-fundamentals.md for:

  • Core SVG structure and viewBox
  • Element types (rect, circle, path, etc.)
  • Path command syntax
  • Gradients and patterns
  • Accessibility requirements

Security

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  • Model reviewPassed

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