You can remove part of an object with the BREAK command. You can break lines, circles, arcs, polylines, ellipses, splines, xlines, and rays. When breaking an object, you can either select the object at the first break point and then specify a second break point, or you can select the entire object and then specify [...]
You can trim objects to their nearest intersection with other objects. When you select the objects to trim, AutoCAD automatically chooses the nearest selected objects as cutting edges. In the following example, the walls are trimmed so that they intersect smoothly.
An object can be one of the cutting edges and one of the objects being trimmed. For example, in the light fixture illustrated, the circle is a cutting edge for the construction lines and is also being trimmed.
An implied intersection is the point where two objects would intersect if they were extended. You can trim objects using their implied intersection as the cutting edge. In the following example, you trim the vertical wall back to its implied intersection with the horizontal wall.
You can cut an object precisely at an edge defined by one or more objects. Objects you define as the boundary edges or cutting edges do not have to intersect the object being trimmed; you can trim back to an implied intersection. Cutting edges can be lines, arcs, circles, polylines, ellipses, splines, xlines, rays, and [...]
