autocad 3d draw z axis
This is a classic issue with AutoCAD cartoon: Sometimes you accidentally draw with elevation in your 2d cartoon. The probable cause is because you snap to an existing object with elevation. But we never know, why the objects have Z value in the first identify anyhow.
If you rotate the drawing and see information technology from an top view, you will see the objects has elevations. This is a 2d drawing, and so information technology's non supposed to look similar this.
There is a suggestion to employ FLATTEN command to fix it. But information technology never works well for this issue.
Before you keep, create a fill-in of your cartoon!
Using AutoLISP program
My recommended tool for this problem is by using ALLFLAT by Lee Mac. You can find the lawmaking in CADtutor forum here. If you are not familiar with using AutoLISP program,
If you are not familiar with using AutoLISP program, read how you can save the code and use it here. Lee Mac has many useful LISP program. This program is very simple and works very quickly.
Even so, because this program is very simple and not developed further, in that location are some minor issues with rotated blocks and hatches. If y'all desire to try another solution, try SUPERFLATTEN by Joe Burke. The trouble with SUPERFLATTEN is information technology doesn't piece of work with dimensions and OLE object.
Dimensions are a fleck catchy because they don't have top. If you use Associative Dimension, so you will be okay. The dimension volition follow the objects. The problem is when the dimension is not associated with whatsoever object.
You may want to try them both and come across which i works well for you.
Manually Prepare the Cartoon
If you use AutoCAD LT or AutoLISP doesn't work for your drawing, you can try to fix it manually. Information technology's not difficult but takes some time.
Select all objects. Or you can select only objects that have elevations from meridian view. For a very circuitous drawing, you may want to do this gradually. Selecting all objects at one time tin can make your reckoner tedious or crash.
We need to change the Z value for our objects to 0 (naught). Open up Backdrop Palette.
Because we select multiple types of objects, we will not see the Z or elevation properties here.
Click the object drop-down list. Select an object blazon, except for dimensions and hatches. Nosotros can ignore them because they don't have acme.
The peak field is named differently. For example, blocks tiptop is defined by Position Z. Change the Position Z value to 0.
Echo the procedure for other object types.
Here are several fields that control the pinnacle.
- Lines elevation are defined by Start Z and Stop Z
- Polylines meridian are divers by Elevation
- Arc, Circle, and Ellipse top are defined by Center Z
- etc.
The real claiming is when you have blocks with the objects inside it accept unlike Z value. You will need to open each block in cake editor and change the Z value using the procedure higher up.
I know this tin can exist a tedious task. But if you need to continue working on this drawing, I suggest you set it. The problem won't just go away; it would be harder to work with it when it gets more complicated!
Preventing this Issue
If yous but with 2nd cartoon, it is a good idea to set Object Snap to ignore Z value. It volition not fix existing cartoon, but at least you will non having a bigger trouble.
You lot can fix information technology in AutoCAD options, Drafting Tab. ChequeReplace Z value with current elevation.
If you prefer to change Organisation Variable from the command line, it is saved in OSNAPZ variable.
It's a skillful idea to add this variable in System Variable Monitor, then when the variable changed you lot will know it immediately. Yep, sometimes the variables are inverse in a mysterious way.
If you are audacious, you can add the default Arrangement Variable in acad.lsp or acaddoc.lsp. It will make certain the variable is fix when you start AutoCAD.
Source: https://www.cad-notes.com/fix-autocad-drawing-thats-accidentally-has-z-value/
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