How do construction lines work in CAD?

What does a construction line do in CAD?

Construction line is one of the 2d commands which used as a reference line in our drawing for managing accurate parameters of our drawing. We also know it as an X-line command in auto cad.

How do you use a construction line?

To draw a construction line, click on the ‘Place construction line’ tool and start drawing the first line by clicking anywhere in the active drawing plane then move the mouse cursor and click to place the line end-point, you can use point snaps, direction snaps, drawing guides and the protractor to help with alignment.

How are construction lines drawing?

About Construction Lines. Construction lines help lay out small or detailed parts of a design on a sheet. You can draw them automatically one at a time, in sets of parallel lines, or freehand, point by point. To draw a construction line, first specify a single datum point through which the construction line will pass.

Are construction lines in AutoCAD unlimited in length?

AutoCAD has two commands to draw lines of infinite length that can work as construction references for drawings. They are very useful to draw elevations or sections based on a plan.

What are construction lines in technical drawing?

Construction Line



This line is used mainly in sketching, which is a freehand drawing technique. It is a light line drawn with very little pressure on the pencil. It is drawn so that it can easily be erased.

What are the different types of construction lines?

Terms in this set (25)

• Object Lines. also called visible lines, are used to show the main outline of the building, including exterior walls, interior partitions, porches, patios, driveways, and walls. …
• Dimension Lines. …
• Hidden Lines. …
• Center Lines. …
• Extension Lines. …
• Cutting-Plane Line. …
• Break Lines. …
• Phantom Line.

What is a reference line in construction?

: an arbitrary fixed line (as an x-axis or a polar axis) from which coordinates of a point are computed.

How do I create a construction line in Autodesk?

Create construction lines

1. Activate the route.
2. If you are in progress of creating the next route point, right-click and select Done to quite the Route command.
3. In the Model browser or graphics window, right-click a sketched route point in the parametric region and select Draw Construction Line.

What is the purpose of construction lines object lines?

What is the purpose of construction lines? Object lines? Construction lines are used to guide where you will draw your object lines to form lines and shapes. Object lines are what compose the shape/figure.

What is the difference between a construction line and an outline?

Construction lines are thin lines that serve as guides while sketching or drawing while an object line is a heavy solid line used on a drawing to represent the outline of an object.

What are the 6 types of construction drawings?

What Are the Six Types of Construction Drawings?

• Plans.
• Interior and exterior elevations.
• Building and wall sections.
• Interior and exterior details.
• Schedules and room finishes.
• Framing and utility plans.

What is a construction line in engineering?

Construction lines (also known as xlines) are temporary linework entities that can be used as references when creating and positioning other objects or linework. For example, you can use construction lines to prepare multiple views of the same item, or create temporary intersections to serve as object snaps.

What is mirror in AutoCAD?

The mirror command in AutoCAD is used to create a copy (mirror copy) of the selected object. We can also delete the source object after mirroring the object. The objects that represent the same as the half of their object can be mirrored across a center line to create the other half of the object.

What is the difference between construction line and ray line commands explain the purpose?

A construction line (also known as an xline) is a linear object that passes through two points and extends to infinity in both directions. A ray is a linear object starts at a point, passes through a second point, and extends to infinity.