cadmpeg (cadmpeg)MCADConfidence: Medium

A CAD checker refuses a valid FreeCAD 26.3 file whole with 13 errors over edge ranges 1e-16 outside the knot domain, while OpenCascade and FreeCAD accept the same file fine.

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

cadmpeg/cadmpeg Issue #422: fcstd: `parameter_domain` errors on valid OCC B-rep (noise past a knot end; periodic pcurve ranges past the period)

github.com

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Analyst Notes

From the Grok pain-radar digest, Oct 24-25 2026 (Oct 24 evening to Oct 25 morning slots). Verified live 2026-10-25: issue/PR read on GitHub; title and state confirmed.