I'm learning how to use the mirror modifier and I am having some trouble. When I apply the modifier to my object I don't see a mirrored version of it. What am I doing wrong? enter image description here

up vote 15 down vote accepted

The mirror modifier mirrors the object around the object origin (the yellow dot in the center of the cube).

Since the origin is in the center of the cube, the mirrored half is the same as the existing geometry of the cube, and no change is apparent.

If you move the cube in Edit mode (which won't move the origin), you'll notice the cube is mirrored as you might expect:

enter image description here

Note that in addition to moving the object origin (CtrlAltShiftC) where you want to mirror, you can specify a Mirror Object:

enter image description here

This will use the origin of the specified object (usually an empty) instead.

protected by Community Aug 9 at 12:30

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