Step-by-Step Guide to Use AutoCAD to Explode a Block

AutoCAD is a professional design software used by many industry professionals to create architectural, engineering, and construction designs. Explosion of a block is a common feature in AutoCAD, and it allows a designer to break down a complex object into its basic components. In this article, we’ll show you how to use AutoCAD to explode a block step-by-step.

Getting Started

Before you start, make sure you have the following:

  • AutoCAD software installed on your computer
  • An existing block that you would like to explode

Exploding the Block

  1. Start by opening the existing block in AutoCAD.
  2. Select the block by clicking once on it so it is highlighted.
  3. From the ‘Modify’ menu, select ‘Explode’ and then ‘Explode Block’.
  4. The block will break down into its basic components.
  5. Click ‘Enter’ to finish and save the changes.


  • Be sure to save your work frequently.
  • When you explode the block, the objects will be converted to polylines. This is normal and expected.
  • You can also right click an object before exploding it to access the ‘Explode’ option.


What is the ‘Explode’ option in AutoCAD?

The ‘Explode’ option in AutoCAD allows you to break down a complex object into its basic components.

When should I use the ‘Explode’ option?

The ‘Explode’ option should be used when you want to break down a complex object into its basic components. This is useful when editing objects in AutoCAD.

Does the ‘Explode’ option affect my original block?

No, the ‘Explode’ option does not affect the original block. After you have used this option, all modified components will stay connected to the original block.

Is it possible to undo the ‘Explode’ action?

Yes, you can undo the ‘Explode’ action by using the ‘Undo’ command.

Does the ‘Explode’ option work with both 2D and 3D blocks?

Yes, the ‘Explode’ option works with both 2D and 3D blocks.

How to Create a Block in AutoCAD & Other Block Tips | AutoCAD Blog
A block is a combination of AutoCAD object types that make up a real-world object. Learn how to create a block in AutoCAD and other helpful tips.

Great! You’ve successfully signed up.

Welcome back! You've successfully signed in.

You've successfully subscribed to

Success! Check your email for magic link to sign-in.

Success! Your billing info has been updated.

Your billing was not updated.