Defines the source code of the model using build123d python code
Possibly connected external files, such as STEP, STL, DXF, etc.
The specific type of 3D model, e.g., "PYTHON", "DXF", "IFC", "STL", "OBJ", "STEP", etc.
The last known image thumbnail of the 3D model for quick rendering on the canvas
The last known 3D viewer state for the model
An element that embeds a 3D model on the 2D canvas. It includes its own 3D view and display controls.