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Tommaso BianchiandClaude Opus 4.8
52a8ca965c
Enumerated from the source rather than from recollection: CadFeatureType and add_* in CadDocument.hpp, Tool in DesignPanel.hpp, Mode in DesignSketchTool.hpp, SketchConstraintType + SketchEntity::Type in SketchEngine.hpp, and the JSON-RPC dispatch in McpControl.cpp. Findings worth stating up front: - The 2D sketcher is at or near Onshape parity -- 19 constraints, every entity type including B-splines and elliptical arcs, trim/extend/offset/mirror and both array kinds. Very little is missing there. - The gaps are all breadth beyond sketching: assemblies/mates, surface modelling, sheet metal, drawings, and variables/configurations. - The most defensible criticism is the absence of variables and expressions. Every dimension is a literal double, so the feature tree is parametric in structure but not in value -- "change one number and the model updates" is only half delivered. It is also the cheapest Tier 1 item to close. The doc separates platform capabilities (version control, FeatureScript, FEA, rendering, cloud PDM) into their own tier rather than counting them as missing tools: that is Onshape-the-platform, not Onshape-the-modeller, and holding a slicer tab to it would not be a fair comparison. One entry is a correctness gap rather than a missing feature: move/rotate body (m_body_xform) is display-only and never enters the B-rep, so a moved body exports and booleans at its original position while the viewport shows it moved. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01BVzKmX6Y1aEteit1HTXG4Q