PrintPal 3D Model Generator

Generate 3D models from images or text prompts for 3D printing.

Quick Start

From an image path or URL:

python3 {baseDir}/scripts/generate_3d.py --image /path/to/image.png

From text prompt:

python3 {baseDir}/scripts/generate_3d.py --prompt "a cute robot toy"

Installation

Required Python packages:

pip install printpal requests

For text-to-image and SEO features:

pip install wavespeed

Configure API keys in your OpenClaw settings (~/.openclaw/openclaw.json under env): - PRINTPAL_API_KEY - required for 3D generation - WAVESPEED_API_KEY - for text-to-image and product photos - OPENROUTER_API_KEY - for SEO metadata generation

Workflow

1. Get the image:
2. If user provides a file path → use it directly
3. If user provides a URL → download it
4. If user pastes an image → use it directly (it will be available as a file path or URL in context)

5. If user provides text → generate image via WaveSpeed first

6. Generate 3D model:

7. Use PrintPal API with super quality (768 cubed)
8. Default output format: STL

9. Save to printpal-output/ directory in workspace

10. Provide downloads:

11. Start file server if needed
12. Return clickable URLs

Default Settings

Setting	Default	Options
Quality	super	default, high, ultra, super, super_texture, superplus, superplus_texture
Format	stl	stl, glb, obj, ply, fbx

Scripts

generate_3d.py

Main script for generating 3D models.

python3 scripts/generate_3d.py [OPTIONS]

Options:
  -i, --image PATH      Input image file path or URL
  -p, --prompt TEXT     Text prompt (uses WaveSpeed to generate image first)
  -q, --quality TEXT    Quality level (default: super)
  -f, --format TEXT     Output format (default: stl)
  -o, --output-dir DIR  Output directory
  --json                Output results as JSON

serve_files.py

Start HTTP server for file downloads.

python3 scripts/serve_files.py [OPTIONS]

Options:
  -d, --directory DIR   Directory to serve (default: printpal-output/)
  -p, --port PORT       Port number (default: 8765)
  --host HOST           Host to bind to (default: 127.0.0.1)
  --public              Bind to 0.0.0.0 to allow network access
  --url-only            Just print URL without starting server

Quality Levels

Quality	Resolution	Credits	Est. Time
default	256³	4	20 sec
high	384³	6	30 sec
ultra	512³	8	60 sec
super	768³	20	3 min
superplus	1024³	30	4 min

Output Formats

Format	Best For
STL	3D printing (default)
GLB	Web/games
OBJ	Universal compatibility
PLY	Point clouds
FBX	Autodesk software

API Keys

Required environment variables (configure in ~/.openclaw/openclaw.json under env):

• PRINTPAL_API_KEY - Get from https://printpal.io/api-keys (required for 3D generation)
• WAVESPEED_API_KEY - Get from https://wavespeed.ai/accesskey (optional, for text-to-image)
• OPENROUTER_API_KEY - Get from https://openrouter.ai/keys (optional, for SEO generation)

Output Directory

Default output is printpal-output/ in the skill's workspace. Override with: - Environment variable: PRINTPAL_OUTPUT_DIR=/path/to/output - Command option: --output-dir /path/to/output

Security Notes

• File server: The serve_files.py script defaults to localhost (127.0.0.1) for security. Use --public flag to expose to network.
• Third-party packages: Scripts import printpal, wavespeed, and requests packages. Review these packages before installing.
• Downloaded content: The skill downloads images from user-supplied URLs. Treat as untrusted input.

Error Handling

Error	Solution
WAVESPEED_API_KEY not set	Provide image directly or configure API key
PRINTPAL_API_KEY not set	Configure in OpenClaw settings
Insufficient credits	Purchase at printpal.io/buy-credits
Package not installed	Run pip install printpal wavespeed

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SEO Product Listing Generator

Generate SEO-optimized metadata and product photos for selling 3D models/prints on marketplaces like Etsy, TikTok Shop, etc.

Quick Start

python3 scripts/seo_product_photos.py 
  --image /path/to/model_photo.jpg 
  --description "A cute dragon figurine" 
  --purpose "Collectible toy for fantasy fans" 
  --audience "Fantasy enthusiasts, collectors, parents buying for kids"

Workflow

1. Input: User provides an image of their 3D model/print + description, purpose, and target audience
2. SEO Generation: OpenRouter MiniMax generates optimized title, description, tags
3. Photo Generation: WaveSpeed nano-banana/edit creates 5 polished product photos
4. Output: ZIP file with metadata + photos, served via local HTTP server

Required Environment Variables

# OpenRouter (for SEO generation)
OPENROUTER_API_KEY=your_openrouter_key

# WaveSpeed (for product photos)
WAVESPEED_API_KEY=your_wavespeed_key

Get OpenRouter key: https://openrouter.ai/keys Get WaveSpeed key: https://wavespeed.ai/accesskey

Options

Option	Short	Description	Default
--image	-i	Path or URL to input image	(required)
--description	-d	Description of the 3D model/print	(required)
--purpose	-p	What the item is for/its use	(required)
--audience	-a	Target audience/customers	(required)
--num-photos	-n	Number of photos to generate	5
--port	-	Download server port	8766
--json	-	Output results as JSON	false

Output

The script generates: - seo_metadata.txt - Full metadata (title, description, tags, features, etc.) - product_photo_01.png through product_photo_05.png - Generated product photos - seo_product_listing.zip - All files packaged for download

Download URL is provided at the end (e.g., http://hostname:8766/seo_product_listing.zip)

SEO Metadata Fields

The generated metadata includes: - title: Full SEO title (max 140 chars, keywords included) - short_title: Catchy thumbnail title (max 40 chars) - description: Detailed listing description (500-1000 words) - tags: 15 optimized tags for search - category: Primary marketplace category - search_terms: 5 high-value search terms - key_features: 4 key product features - target_marketplace: Recommended platform

Example

bash# Generate SEO listing for a custom 3D printed mug holder python3 scripts/seo_product_photos.py --image /workspace/my_mug_holder.jpg --description "A custom 3D printed mug holder with dragon design" --purpose "Keeps mugs organized on desk or kitchen, great gift" --audience "Office workers, coffee lovers, home office enthusiasts"

Troubleshooting

Error	Solution
OPENROUTER_API_KEY not set	Configure in OpenClaw settings
Photo generation fails	Check WAVESPEED_API_KEY and credits
Port in use	Use --port to specify different port

Reference

For detailed API documentation, see api-reference.md.