make Z value 0 for all entities

[flopo]

Hello guys,

Is it possible to make Z values 0 for all entities in a 2d drawing that has many "mistakes" , like lines with different Z values for ends? Is is possible to "flatten" all 2d entities with Z different from 0? I mean, entities drawn with different elevation, by mistake... but not to flatten a 3d object!Thanks!

[Tiger]

So... FLATTEN? As in the command FLATTEN? One could hope that all 3D-entities are on their own layer so that you can Freeze them and then run Flatten on the rest.

[ReMark]

Three methods to get all entities back to an elevation of "0". Flatten, as mentioned by Tiger, is one of them.

 

http://en.allexperts.com/q/AutoCAD-1029/pesky-z.htm

[asos2000]

and this one thread too

http://www.cadtutor.net/forum/showthread.php?2019-Flatten