Free parametric packaging dieline generator for FEFCO and ECMA box styles
A native macOS drawing app for quick sketches, screenshot markup, and AI-generated diagrams
Stage
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Founded
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Based in
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Pricing model
Free
Freemium
Pricing
Not given
Free: $0 forever, includes all drawing tools, unlimited sketches in one folder, copy to clipboard as PNG, and auto-save with local-first storage. Pro: coming soon.
Key features
Live 2D preview and 3D fold visualization
Real-time dimension updates
Three dimension entry options (inside, outside, crease-to-crease)
244 FEFCO corrugated box codes
206 ECMA folding carton codes
Plate-checked badge system for template accuracy
Adjustable parameters for board caliper, slot widths and corner clearances
Instant copy-to-clipboard as PNG
No accounts or setup required
Local-first storage with auto-save
Screenshot annotation with arrows, boxes, text, and freehand tools
AI diagram generation via Claude, Cursor, Windsurf, and VS Code
Refine diagrams through chat
Paste screenshot from clipboard
Unlimited sketches in one folder
Native macOS performance
All drawing tools included in free version
What makes it different
Parametric generation redraws correctly when dimensions change, not stretching a picture
No signup required and no per-download charges
Browser-based with no uploads or stored files
Files suitable for commercial manufacturing
Zero-friction design: open, draw, and share in seconds with no setup or accounts
Local-first architecture: all sketches stay on your Mac, nothing leaves unless you ask
AI integration runs through your own subscription with no proxying of prompts
Box Blanks
Chalk