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Extract quantities from IFC/Revit models for quantity takeoff. Uses DDC converters to get element counts, areas, volumes, lengths with grouping and reporting.
Passed 19 of 23 test cases with the skill, and 8 of 23 without it.
and 9 more in the full report
11 fixed8 passed either way4 still failing0 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 11 test cases the skill fixed. Same model, same prompt, with and without the skill.
What metric summary card fields are displayed at the top of the generated HTML quantity takeoff report?
| Checked | Without skill | With skill |
|---|---|---|
| Includes a summary card for 'Total Volume' in the generated HTML report. | Missed | Passed |
The instructions your model reads when the skill loads.
Extract structured quantity data from BIM models (IFC, Revit) for cost estimation, material ordering, and progress tracking.
Problem: Manual quantity takeoff is:
Solution: Automated QTO from BIM that:
ROI: 90% reduction in QTO time, near-zero counting errors
┌──────────────────────────────────────────────────────────────────────┐
│ QTO EXTRACTION PIPELINE │
├──────────────────────────────────────────────────────────────────────┤
│ │
│ INPUT CONVERT ANALYZE │
│ ┌─────────┐ ┌─────────┐ ┌─────────┐ │
│ │ .rvt │ │ DDC │ │ Python │ │
│ │ .ifc │─────────►│Converter│───────────►│ pandas │ │
│ │ .dwg │ │ │ │ │ │
│ └─────────┘ └─────────┘ └─────────┘ │
│ │ │ │
│ ▼ ▼ │
│ ┌─────────┐ ┌─────────┐ │
│ │ .xlsx │ │ Grouped │ │
│ │ raw data│ │ QTO │ │
│ └─────────┘ └─────────┘ │
│ │ │
test cases passed, vs 8 / 23 without
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