Objecteditor state · timing
Component settingsForm first · appearance second
Formdimension · interior · attachments
i Form model
Dimension is the topology: a Point attaches, a Path carries between its two ends, a Plane bounds a region. Built-in boundary points are template defaults; drop a Point on any boundary to add an attachment there.
Appearancegraphic · size · material
i SVG rules
Custom SVG is sanitized and kept inside the Component boundary.
Wire settingsEndpoint mapping and return semantics
Attachment settingsBoundary face and signal behavior
Markers
Drag body: move · corner grip: resize · Point: drag centre to move, drag ring to wire · drop a Point on a Path, Plane edge, or Wire to attach it