3D viewer
Watch the model update as agents work.
The CAD panel on the right of every workspace has two tabs.
3D model
A three.js view of the workspace's model. It reloads whenever the model changes, so you can follow an agent's progress without switching windows. Bridge CAD reloads when the document is saved. Code CAD reloads on every render, and Fusion and Rhino after every run_code. Orbit, pan and zoom as usual.
Native view
This tab shows the CAD system's own viewport, the same image an agent gets from screenshot. For FreeCAD, Blender and the apps driven through their own MCP server (Fusion, Rhino, Revit, SketchUp, SolidWorks, AutoCAD), switch to the real application window whenever you want to take over with the mouse. You and the agent edit the same live document.
Code-CAD workspaces (OpenSCAD, CadQuery, build123d) have no native window. Their 3D model view is derived from the rendered mesh.