SketchForge-3D (constructorfleet)MCADConfidence: Medium
the editor's CAD modifier sews everything into one solid and refuses hollow meshes that work fine through MCP, so the same valid geometry is accepted via one path and rejected via another.
From the Grok pain-radar digest, Oct 25-26 2026 (Oct 25 daytime to Oct 26 morning slots). Verified live 2026-10-26: issue/PR read on GitHub; title and state confirmed.