oss-monorepo (Duncan-Haywood)MCADConfidence: Medium

A wall-framing takeoff's IFC reader had only seen hand-written fragments; on buildingSMART's real wall-with-window file, height and sill fell back to defaults, so the window was framed with a 34.5 in sill instead of 19.7 in. Next test is a real Revit or Archicad export.

Impact Analysis

Persona

Mechanical Designer

Team Size Impact

5x Multiplier

Prototype Delay

3 Days

Est. Annual Cost

$30,000

1 user · 1 month240 min
Rest of team960 min
Rest of year13,200 min

monthly_minutes × 12 × team_multiplier ÷ 60 × $75/hr = $30k/yr

$75/hr assumed rate.

Annual team-minutes decomposed from the reported monthly inputs.

Evidence & Sources

1 Sources

Duncan-Haywood/oss-monorepo PR #11241: wall-framing-takeoff: IFC reader takes opening height and sill, checked on a real buildingSMART file

github.com

→

Analyst Notes

From the Grok pain-radar digests, Oct 28-29 2026 (Oct 28 8:41 AM ET through Oct 29 early-morning Haitch editions). Verified live 2026-10-29: issue/PR read; title and state confirmed.