ballbot (atticusrussell)MCADConfidence: Medium

Onshape's URDF export puts a roll of -pi on the lidar joint, mirroring every scan, while the link's visual origin carries a compensating +pi so the model looks right in RViz and only the laser scan is wrong.

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

atticusrussell/ballbot Issue #256: Fix flipped rplidar_a1_head frame in CAD (URDF roll = -pi)

github.com

→

Analyst Notes

From the Grok pain-radar digests, Oct 26-27 2026 (Oct 26 12:41 PM ET through Oct 27 7:41 AM ET digests plus the Haitch editions). Verified live 2026-10-27: issue/PR/thread read; title and state confirmed.