How to modify blocks that have been saved as tools in a tool palette. 
Edit a Block Tool in the Block Editor
 
   
  - Right-click the block tool and choose Block Editor from the menu. 
		
Note:  If the block definition for the tool on the palette is in another drawing, that drawing is opened in the Block Editor. 
		
 
	  
- Edit the block and click Save Block. 
	 
 
 
 
Update a Block Tool Insertion After the Block Is Edited
 
   
  - In the tool palette, right-click the block tool and select Redefine. 
	 
 
You can also delete the tool, and then replace it using DesignCenter 
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 Refresh the Image of a Block Tool
 
   
  - Save the drawing. 
	 
 
- On a tool palette, right-click a tool and select Update Tool Image. 
	 
 
 
 
Update Path to Block Definition in a Tool
 
   
  - In the tool palette, right-click the block tool and select Properties. 
	 
 
- In the Tool Properties dialog box, enter a new path in the Source File box.