AutoCAD

How to Delete Block in AutoCAD 2012?

Understanding Block Deletion in AutoCAD 2025

Deleting blocks in AutoCAD is an essential task that ensures your drawings remain clean and organized. Unused blocks can clutter your workspace, and knowing how to effectively remove them is key for efficient design. Below are detailed steps on how to delete blocks in AutoCAD 2025.

Step 1: Utilizing the Purge Command

  1. Access the Command Line: Start by ensuring that the command line is visible, as it will be your primary tool for executing commands.
  2. Type PURGE: Enter the command PURGE into the command line and press Enter. This brings up the Purge dialog box.
  3. Select Types of Objects: You will see a list of objects you can purge, including blocks. If necessary, click on the “Purgeable Items” option to tailor your selection.
  4. Choose Blocks: In the Purge dialog, locate the blocks you wish to remove. You can select one or multiple blocks from the list.
  5. Confirm Deletion: Click on “Purge Checked Items.” AutoCAD will prompt you for confirmation for each item selected.
  6. Finalization: After purging the selected items, you can choose to purge more or simply close the dialog.

Step 2: Deleting Blocks Manually

If you need to delete specific block references individually, follow these steps:

  1. Select the Block: Click on the block within your drawing. Ensure that you are in the correct space (model or paper) where the block resides.
  2. Erase Command: With the block selected, go to the Home tab on the ribbon. Find the Modify panel and click on the “Erase” tool.
  3. Confirm Selection: You can also use specific options like L (Last) to remove the most recently placed block or P (Previous) to delete the last selection set.
  4. Execution: Press Enter to complete the command, thus removing the block.

Step 3: Using the Block Editor for Complex Blocks

For blocks that contain nested components or additional details:

  1. Invoke Block Editor: Use the command BEDIT and select the block you wish to modify. This opens the block for editing.
  2. Remove Elements: In the Block Editor, you can choose to delete specific elements within the block. After removal, exit the Block Editor.
  3. Save Changes: Make sure to save any changes made to the block definition.

Frequently Asked Questions

Q1: Can purging blocks also delete other objects?
Yes, purging can remove various unused items, including layers, styles, and other objects, besides just blocks. Ensure to review what items are selected in the purge dialog.

Q2: Will deleting a block affect all instances in my drawing?
If you delete a block definition, all instances of that block in your drawing will also be removed. If you only want to remove specific instances, use the erase command on those selected items.

Q3: How can I check if a block is in use before deleting it?
You may use the -BLOCK command to check for the number of references of a block in your drawing. If the count is zero, the block is safe to purge.

About the author

Wei Zhang

Wei Zhang

Wei Zhang is a renowned figure in the CAD (Computer-Aided Design) industry in Canada, with over 30 years of experience spanning his native China and Canada. As the founder of a CAD training center, Wei has been instrumental in shaping the skills of hundreds of technicians and engineers in technical drawing and CAD software applications. He is a certified developer with Autodesk, demonstrating his deep expertise and commitment to staying at the forefront of CAD technology. Wei’s passion for education and technology has not only made him a respected educator but also a key player in advancing CAD methodologies in various engineering sectors. His contributions have significantly impacted the way CAD is taught and applied in the professional world, bridging the gap between traditional drafting techniques and modern digital solutions.