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Does anyone know how to mirror lamps on the x axis, like a mirror modifier would for a mesh? I have tried Ctrl+M, and it did not work. Thanks.

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2 Answers 2

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You can do it manually with a duplicate lamp:

  • Space, Snap Cursor to Center, Enter
  • Set the pivot center in the toolbar on the bottom to 3D Cursor
  • Select your lamp, S,X,-,1, Enter
  • Done.

If the lamp is changing position more often, duplicate it and add an object constraint:

  • Select the dupli lamp
  • Properties, Constraints, Add Object Constraint, Copy Location
  • Check Invert for the axis you want to mirror.
  • For directional lamps, also try Copy Rotation
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  • $\begingroup$ For future reference, you can press CTRL + C to snap the cursor to the centre. $\endgroup$
    – Luka ash
    May 12, 2016 at 16:52
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    $\begingroup$ Did you mean Shift + C? I didn't write that beacuse it also changes the camera position and I don't like that $\endgroup$
    – piegames
    May 12, 2016 at 16:55
  • $\begingroup$ Whoops, Shift + C is what i meant! Sorry. Anyway i suppose it does do that but if i do some digging i may find a version that snaps it to the centre without moving the camera. $\endgroup$
    – Luka ash
    May 12, 2016 at 16:59
  • $\begingroup$ Thanks. I am trying to do this with multiple lamps and am trying to copy their respective rotation, mirrored on the x axis. Is there a quick way to do this. The above suggestion did not mirror the rotation. $\endgroup$ May 12, 2016 at 19:16
  • $\begingroup$ The constraintsecond do, but I'd rather not do constraints for each lamp. $\endgroup$ May 12, 2016 at 19:20
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For x-axis mirror, invert lamp YZ-rotation signs, plus to minus and minus to plus.

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