How to Remove Z Coordinates in AutoCAD?

Understanding Z Coordinates in AutoCAD

When working on 2D projects in AutoCAD, Z coordinates can sometimes complicate drafting, especially if you only need to focus on the X and Y dimensions. Removing or ignoring these Z values is essential for a clear and effective design process.

Turning Off the Z Coordinate Visibility

To remove the display of Z coordinates in your drawing, you have two effective methods:

1. Using the ViewCube:
   1. Navigate to the View tab on the ribbon.
   2. Locate the Viewport Tools panel.
   3. Click on View Cube to toggle its visibility.
2. Command Input:
   1. At the command prompt, type NAVVCUBE.
   2. Choose Off and press Enter.

Disabling XYZ Display in AutoCAD

If you don’t want to see the XYZ coordinates on your workspace, disable the UCS icon:

1. Type ucsicon into the command line.
2. Select ON to show or OFF to hide it and press Enter.

Setting Z Coordinates to Zero

For situations where you need to set all Z coordinates to zero across various objects, follow these steps:

1. Input the command CHANGE in the command line.
2. Select ALL and hit Enter to choose every object in your drawing.
3. Press P for Properties.
4. Then, input E for Elevation.
5. Type 0 and finish by hitting Enter to apply changes.

Flattening CAD Lines

Flattening lines can help eliminate discrepancies caused by Z coordinates. To flatten a line:

1. Enter FLATTEN command in the command line.
2. Select the object you want to flatten.
3. Confirm the action to see the Z value reset to zero.

Working with UCS

If you need to align your User Coordinate System (UCS) correctly in AutoCAD, and ensure it stays that way across views:

1. Click on the Model tab.
2. Right-click on the UCS icon and select the World option, then enter Plan to align it permanently with your drawing.

Frequently Asked Questions (FAQs)

What happens to my objects when I remove the Z coordinate?

Removing or ignoring the Z coordinate will not affect the actual drawing of your 2D objects; they will still retain their spatial placement defined by their X and Y coordinates.

Can I revert my changes if I accidentally set Z coordinates to zero?

Yes, if you unintentionally change the Z values, you can use the UNDO command right after to revert the last actions taken.

Is there a straightforward way to work only in 2D?

To concentrate solely on 2D drafting, setting your workspace to a 2D view and changing your UCS to World will help eliminate any unwanted Z-axis interactions.