ifcpipeline (jonatanjacobsson)MCADConfidence: Medium
Bottom-of-pipe lines from IFC need ports; where elements have none, the recipe derives them from geometry: open tube rims for MagiCAD, end rings for Civil 3D, and long round proxies count as pipes for CAD conversions.
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.