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SKILL.md
npx skills add inference-sh/skills --skill logo-design-guide
Logo design principles and AI image generation best practices for creating logos. Covers logo types, prompting techniques, scalability rules, and iteration workflows. Use for: brand identity, startup logos, app icons, favicons, logo concepts. Triggers: logo design, create logo, brand logo, logo generation, ai logo, logo maker, icon design, brand mark, logo concept, startup logo, app icon logo
npx skills add inference-sh/skills --skill logo-design-guide
Install the belt CLI skill:
npx skills add belt-sh/cli
Design effective logos with AI image generation via inference.sh CLI.
Requires inference.sh CLI (
belt). Install instructions
| Type | Description | When to Use | Example |
|---|---|---|---|
| Wordmark | Company name styled as logo | Strong brand name, short (< 10 chars) | Google, Coca-Cola |
| Lettermark | Initials only | Long company name, formal | IBM, HBO, CNN |
| Pictorial | Recognizable icon/symbol | Universal brand, works without text | Apple, Twitter bird |
| Abstract | Geometric/non-literal shape | Tech companies, conceptual brands | Nike swoosh, Pepsi |
| Mascot | Character illustration | Friendly brands, food/sports | KFC Colonel, Pringles |
| Combination | Icon + wordmark together | New brands needing both recognition and name | Burger King, Adidas |
AI image generators cannot reliably render text. Letters will be distorted, misspelled, or garbled.
Strategy:
A logo must work at every size:
| Context | Size | What Must Work |
|---|---|---|
| Favicon | 16x16 px | Silhouette recognizable |
| App icon | 1024x1024 px | Full detail visible |
| Social avatar | 400x400 px | Clear at a glance |
| Business card | ~1 inch | Clean print reproduction |
| Billboard | 10+ feet | No pixelation, simple enough |
| Mistake | Problem | Fix |
|---|---|---|
| Too much detail | Loses clarity at small sizes | Simplify to essential shapes |
| Relies on color | Fails in B&W contexts | Design in black first |
| Text in AI generation | Garbled/misspelled letters | Generate icon only, add text manually |
| Trendy effects (glows, shadows) | Dates quickly, reproduction issues | Stick to flat, timeless design |
| Too many colors | Hard to reproduce, expensive printing | Max 2-3 colors |
| Asymmetric without purpose | Looks unfinished | Use intentional asymmetry or stay balanced |
| Format | Use Case |
|---|---|
| SVG | Scalable vector, web, editing |
| PNG (transparent) | Digital use, presentations |
| PNG (white bg) | Documents, email signatures |
| ICO / Favicon | Website favicon (16, 32, 48px) |
| High-res PNG (4096px+) | Print, billboards |
Note: AI generates raster images (PNG). For true vector SVG, use the AI output as a reference and trace in a vector tool, or use AI-to-SVG conversion tools.
Browse all apps: belt app list
flat vector logo, simple minimal icon, single color silhouette,
geometric logo mark, clean lines, negative space design,
line art logo, flat design icon, minimalist symbol❌ photorealistic logo (contradiction — logos aren't photos)
❌ 3D rendered logo (too complex, won't scale down)
❌ gradient logo (inconsistent results, hard to reproduce)
❌ logo with text "Company Name" (text rendering fails)flat vector logo of [subject], [style], [color constraint], [background], [additional detail]# Abstract geometric
belt app run falai/flux-dev-lora --input '{
"prompt": "flat vector abstract logo, interlocking hexagonal shapes forming a letter S, minimal geometric style, single navy blue color, white background, clean sharp edges"
}'
# Pictorial nature
belt app run falai/flux-dev-lora --input '{
"prompt": "flat vector logo of a fox head in profile, geometric faceted style, orange and white, minimal clean lines, white background, negative space design"
}'
# Mascot style
belt app run bytedance/seedream-4-5 --input '{
"prompt": "friendly cartoon owl mascot logo, simple flat illustration, wearing graduation cap, purple and gold colors, white background, clean vector style"
}'
# Tech abstract
belt app run xai/grok-imagine-image-pro --input '{
"prompt": "minimal abstract logo mark, interconnected nodes forming a brain shape, line art style, single teal color, white background, tech startup aesthetic"
}'# Step 1: Generate 5-10 broad concepts
for i in {1..5}; do
belt app run falai/flux-dev-lora --input '{
"prompt": "flat vector logo of a lighthouse, minimal geometric, single color, white background"
}' --no-wait
done
# Step 2: Refine the best concept with variations
belt app run falai/flux-dev-lora --input '{
"prompt": "flat vector logo of a geometric lighthouse with light beam rays, minimal line art, navy blue, white background, negative space design"
}'
# Step 3: Generate at high resolution for final
belt app run bytedance/seedream-4-5 --input '{
"prompt": "flat vector logo of a geometric lighthouse with radiating light beams, minimal clean design, navy blue single color, pure white background",
"size": "2K"
}'
# Step 4: Upscale for production use
belt app run falai/topaz-image-upscaler --input '{
"image": "path/to/best-logo.png",
"scale": 4
}'npx skills add inference-sh/skills@ai-image-generation
npx skills add inference-sh/skills@prompt-engineering