In AutoCAD software, what is the difference between in trim and extend command?

The Difference Between In Trim and Extend Command

How to use the Trim and Extend command and what is the difference between them.

How to Use the TRim and EXtend Commands in AutoCAD

What is the Difference Between Trim & Extend Command:-

                                                                                                               
Trim command is used to delete the unwanted part of an object and an Extend command is used to extend the selected boundaries or edges. The objects are extended so that the edges of other objects can be converged. It is the difference in Trim & Extend Command.

the difference between in trim and extend command?

Definition of Trim Command:-

Trim Command:

what is Trim command in AutoCAD:-

• Trim command in AutoCAD
• Trim command is used to delete the unwanted part of an object.
• Trim command in AutoCAD is used to remove the objects, which meet the edges of other objects. It is used to remove extra lines or extra parts of an object.trim and extend command

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Options 

• select cutting edges: Specifies one or more objects to be used as a boundary for the trim.
• Object to trim: Specifies the object that has to be trimmed. if more than one trim result is possible, the location of the first selection point determines the result.
• Fence: Selects all objects that cross the selection fence. the selection fence is a series of temporary line segments that you specify with two or more fence points.
• Crossing: Selects objects within and crossing a rectangular area defined by two points.
• Project: Specifies the projection method used when trimming objects.

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NOTE:- When trimming hatches do not set Edge to Extend. If you do grasp in the trim boundary will not be bridged when trimming hatches, even when the gap tolerance is set to a correct value.

• Erase: Deletes selected objects. This option provides a convenient method to erase unneeded objects without leaving the TRIM command. 
• Undo: Reverses the most recent change made by TRIM. 

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We are required to select the portion of the object to trim.

Consider the below figure:

Trim command in AutoCAD

The steps to trim

Procedure to access

1. Command: TRIM ↵
2. Shortcut Key: TR ↵
3. Ribbon Menu: HOME > MODIFY PANEL > TRIM
4. Access from: MENU BAR > MODIFY > TRIM

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1. Trim icon from the ribbon panel, as shown below:

Trim command in AutoCAD

Or

Type Tr or trim on the command line or command prompt and press Enter.

2. Press Enter

3. Select the line or curve, as shown below:

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Trim command in AutoCAD

Here, we have selected three parts at once. We can choose objects according to our requirements.

4. Press Enter.

The selected portion will be removed.

The object will now look like the below image:

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Trim command in AutoCAD

Definition of Extend Command:-

Extend Command:

what is Extend command in AutoCAD:-

• Extend command in AutoCAD
• The Extend command is used to extend the selected boundaries or edges. The objects are extended so that the edges of other objects can be converged.

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Procedure to access 

1. Command: EXTEND ↵
2. Shortcut Key: EX ↵
3. Ribbon Menu: HOME > MODIFY PANEL > EXTEND 
4. Access from: MENU BAR > MODIFY > EXTEND 

Consider the below image:

Extend command in AutoCAD

It displays the effect of the Extend command on the figure.

Let's understand with an example.

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Consider the below figure:

Extend command in AutoCAD

The steps to extend the boundaries or edges of the selected parts in the above figure are:

1. Select the Extend icon from the drop-down list of the Trim, as shown below:

Extend command in AutoCAD

Or

Type EX or Extend on the command line or command prompt and press Enter.

5. Press Enter

6. Select the part to extend, as shown below:

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Extend command in AutoCAD

Extend command in AutoCAD

Extend command in AutoCAD

Here, we have selected different parts for better understanding. We can select objects according to our requirements.