## How do I make two lines collinear in AutoCAD?

Constrain line or ellipse to be collinear

- On the ribbon, click Sketch tab Constrain panel Collinear Constraint .
- Click the first line or ellipse axis.
- Click a second line or ellipse axis.
- Continue to place collinear constraints, or do one of the following to quit: Right-click, and select Done. Press Esc.

## What is collinear AutoCAD?

Causes two or more line segments to lie along the same line. Find. This command is equivalent to the Collinear option in GEOMCONSTRAINT.

## What is collinear constraint?

Constrain the collinearity between two linear objects. If one line is moved, the other constrained line adjusts to remain aligned. The lines do not need to be aligned when you place the constraint; the first line moves to become collinear to the second line.

## How do I combine lines in a shape in AutoCAD?

To Join Polylines, Splines, Lines, and Arcs Into a Single…

- Click Home tab Modify panel Edit Polyline. Find.
- Select a polyline, spline, line, or arc to edit. …
- Enter j (Join).
- Select one or more polylines, splines, lines, or arcs that are located end to end.
- Press Enter to end the command.

## What is a tangent constraint?

Tangent constraints constrain an object’s orientation so that as an object moves along a curve, the object always points in the direction a curve. The curve provides the path of the object’s motion, and the object orients itself to point along the curve.

## What is a concentric constraint?

The concentric constraint causes two arcs, circles, or ellipses to have the same center point.

## What is a perpendicular constraint?

Perpendicular constraint fixes two lines at 90 degrees to one another. For a line and a circle/arc the perpendicular constraint fixes the center of circle/arc to be on a line.

## What is Pedit in AutoCAD?

Edits polylines, objects to be joined to polylines, and related objects. Find. Common uses for PEDIT include joining 2D polylines, converting lines and arcs into 2D polylines, and converting polylines into curves that approximate B-splines (spline-fit polylines).

## How do I convert lines to polylines in AutoCAD?

Converting Line to Polyline

Type PE on the command line and press Enter to start polyline edit command, the command line will prompt you to select objects for making changes. Click on the object which you want to change to polyline, you can also select multiple objects by selecting Multiple from the command prompt.

## Why are my lines not joining in AutoCAD?

Causes: Objects have gaps or do not have connecting points because of different elevations. Use the UNITS command and increase the precision to maximum. Examining the lines, the Properties palette will show Start Z / End Z or Elevation values, potentially of a minute amount.