From the Autodesk App Store:
Have you ever searched for a tool to speed up the distribution of placing a light inside the room?
This add-in will insert the light and distribute it in standard distribution “X-2X-X” “Y-2Y-Y”.
First – Select hosted light fixture in the false ceiling or Reference Plane.
Second – Pick two-point to specify a rectangular Room on the screen.
Third – Enter the number of the Light Row then enter the number of the Light Column.
Standard light distribution “X-2X-X”…
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