Blueprint Analysis Engine
Computer Vision · Construction Procurement
Automated material take-off from 2D/3D construction blueprints. Detects rooms, doors, windows, fixtures — outputs a procurement-ready material schedule with quantities.
The Brief
Problem
Quantity surveyors were spending days hand-counting windows, doors, and fixtures from architectural drawings before procurement could even begin.
The Architecture
Decision
Vision-LLM pipeline: page split → entity detection → room labelling → fixture counting → material schedule generation. Confidence-scored output with manual review queue for low-confidence drawings.
The Outcome
Result
Material take-offs that took days now complete in minutes. Procurement starts immediately on plan handover.
How it actually works in production.
Ingest
PDF / DWG upload
2D + 3D
Page split
per drawing
Vision Pipeline
Gemini Vision
page-level analysis
Entity detect
rooms · doors · windows
Count + classify
fixtures · fittings
Confidence score
low → manual review
Output
Material schedule
with quantities
Procurement export
CSV / API
Highlighted preview
click room → details
Animated · Built in code · No GIFs
See Blueprint Analysis Engine in action.
Demo video
PDF → vision pipeline → procurement export demo
~ 1:00 · coming soon
Image slot
Sample blueprint with detected rooms highlighted
coming soon
Image slot
Material schedule output
coming soon
Image slot
Window/door/fixture count overlay
coming soon
Stack