A line set groups multiple connected segments into a single editable object, allowing designers to manipulate contours

https://wiki.ai-ar.kz/index.php?title=How_Refrigerant_Type_Influences_Copper_Line_Set_Selection

A line set groups multiple connected segments into a single editable object, allowing designers to manipulate contours, outlines, and paths with consistent thickness, style, and snapping behavior across a project.