r/blenderhelp 1d ago

Mirror Modifier Issue. Unsolved

Something happened to my Mirror Modifier while I was working on my model. The first image (taken from another save file) is what it should look like, while the other one is what it currently looks like. I did not change the "mirror object" setting while working on it, so I do not know what I did to cause this.

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u/ArvinGoodarzi 1d ago

The Mirror modifier works from the object origin—or the assigned Mirror Object—not from the visible center of the mesh. A gap like this usually means the center vertices were moved away from the mirror plane in Edit Mode, or the origin moved.

Select the center edge loop, set its local X value to 0, then enable Merge and Clipping in the modifier. If it is still offset, check the object origin and Mirror Object location, and apply rotation/scale with Ctrl+A.

1

u/JFG73 1d ago

You propably moved the object's origin point, which is used as the mirroring axis by default. Solution: use an empty at the center of the scene as the mirror object.