copperhead (copperheadhq)ECADConfidence: Medium

The Copperhead draft engine kept merging nets on a dense sheet: ESTOP_SENSE touching GND at a wire endpoint dead-ended the run at stage 4 with no lever left after two retries.

Impact Analysis

Persona

Electrical Engineer

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

copperheadhq/copperhead Issue #445: Draft engine still merges nets on dense sheets: ESTOP_SENSE drawn onto GND, stage 4 refuses twice

github.com

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Analyst Notes

From the Grok pain-radar digests, Oct 27-28 2026 (Oct 27 8:41 AM ET through Oct 28 7:41 AM ET digests plus the Haitch editions). Verified live 2026-10-28: issue/PR/thread read; title and state confirmed.