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edit mesh after applying mirror modifier ?

Posted: Fri Mar 22, 2013 12:18 pm
by jagz777
can i make a mesh work like mirror modifier after applying mirror.such as if i tweak some vertices in one side it will be reflected on the other..? or i have to delete the half and apply again mirror ? thanks,i am new to blender from maya i would appreciate any help.:)

Posted: Tue Mar 26, 2013 8:18 pm
by Hellfireboy
In edit mode press T to open up the tools menu. Look for "Mesh Options" in the menu and check "X Mirror".

Posted: Tue Mar 26, 2013 10:27 pm
by jagz777
Hellfireboy wrote:In edit mode press T to open up the tools menu. Look for "Mesh Options" in the menu and check "X Mirror".
sorry man but its not working ? :(

Posted: Wed Mar 27, 2013 8:17 pm
by Hellfireboy
The two sides have to be exactly symmetrical across the X axis. For example, if you have a vertex at x=1 and another at x=-1 it will work but x=1 and x=-1.5 will not. This is across the global x axis and not simply the object axis. In general though it is often simpler to use a mirror modifier up to the point where you no longer need the object to be symmetrical and once one set of vertices no longer shares symmetry with the other it will break the function of the X Mirror. This presents a theory as to what the problem is that you are having but there is no way for me to know for sure unless I was looking at the blend file.

Posted: Thu Mar 28, 2013 2:25 am
by jagz777
plz check out my blender file....http://www.filedropper.com/shoes4_1 ....thanks...

Posted: Sat Mar 30, 2013 9:10 pm
by Hellfireboy
Figured it out.

What's wrong:
Tty this. Add a mirror modifier to any of the objects in the scene on the x axis. You'll notice that the mirror shows up above the object rather than next to it. The reason is that all of the objects have a rotation value of 90 degrees on the Y axis. Hence then X Mirror was trying to act on a vertex above the object rather than next to it. In other words you started out with the shoe on its side on the x axis (I'm guessing that you started the model from a top view) and then you rotated it to a standing position by spinning it on the Y axis. The X Mirror is still trying to work on the mesh as if it was in its original position.

How to fix it:
Pick any of the object in the scene in object mode and then press Ctrl + A. From the list choose Rotation. This will set all of the rotation values to 0. Do this for the other objects in the scene. The X Mirror should work properly now.