About-Chamfers

About Chamfers

About Chamfers

A chamfer connects two objects to meet in a flattened or beveled corner.

A chamfer connects two objects with an angled line. It is usually used to represent
a beveled edge on a corner.

You can chamfer

  • Lines
  • Polylines
  • Rays
  • Xlines
  • 3D solids (not available in AutoCAD LT)

CHAMFER can be used to bevel all corners of a polyline using a single command.

NOTE: Chamfering a hatch boundary that was defined from line segments removes hatch associativity.
If the hatch boundary was defined from a polyline, associativity is maintained.

If both objects being chamfered are on the same layer, the chamfer line is created
on that layer. Otherwise, the chamfer line is created on the current layer. The layer
affects object properties including color and linetype.

Use the Multiple option to chamfer more than one set of objects without leaving the
command.

Chamfer by Specifying Distances

The chamfer distance is the amount each object is trimmed or extended to meet the
chamfer line or to intersect the other. If both chamfer distances are 0, chamfering
trims or extends the two objects until they intersect but does not create a chamfer
line. You can press and hold Shift while selecting the objects to override the current
chamfer distances with a value of 0.

In the following example, you set the chamfer distance to 0.5 for the first line and
0.25 for the second line. After you specify the chamfer distance, you select the two
lines as shown.

Trim and Extend Chamfered Objects

By default, objects are trimmed when chamfered, but you can use the Trim option to
specify that they remain untrimmed.

Chamfer by Specify Length and Angle

You can chamfer two objects by specifying where on the first selected object the chamfer
line starts, and then the angle the chamfer line forms with this object.

In this example, you chamfer two lines so that the chamfer line starts 1.5 units from
the intersection along the first line and forms an angle of 30 degrees with this line.

Chamfer Polylines and Polyline Segments

You can chamfer segments of a polyline that are adjacent or separated by no more than
one arc segment. If they are separated by an arc segment, as shown in the illustration,
chamfering deletes the arc and replaces it with a chamfer line.

You can also chamfer the endpoints of an open polyline. This operation creates a closed
polyline.

Chamfer an Entire Polyline

When you chamfer an entire polyline, each intersection is chamfered. For best results,
keep the first and second chamfer distances equal.

In this example, the chamfer distances are set to equal values.

When you chamfer an entire polyline, only the segments that are long enough to accommodate
the chamfer distance are chamfered. The polyline in the following illustration has
some segments too short to be chamfered.

Learning AutoCad

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