Mirror

shortcut SHIFT + ALT + X object mode
shortcut SHIFT + ALT + Y object mode
shortcut SHIFT + ALT + Z object mode

Use the Mirror tool to quickly set up a Mirror modifier on the selected objects.

By default, the selected objects will be mirrored accross the chosen axis of the active object.
If Mirror across Cursor is chosen in the Operator Properties all selected objects, including the active one will be mirrored across an empty positioned at the cursor.

Selection

Any number of mesh objects or grease pencil objects.

DECALmachine

The tool will recognize DECALmachine's Decals and automatically adjust the Mirror mods to also flip the UVs

Using Mirror


Unmirror

The Unmirror tool simply removes the last mirror modifier in the stacks of the selected objects.

Object Context Menu

Using Un-Mirror

Note

This is an old video, there no longer is support for Group Pro groups.
Mirroring MACHIN3tools groups already works as you'd expect.