Since the initial topic is panelization, I personally use this program http://blog.thisisnotrocketscience.nl/projects/pcb-panelizer/ Sometimes a bit tricky to use, but it does the job.
Since the initial topic is panelization, I personally use this program http://blog.thisisnotrocketscience.nl/projects/pcb-panelizer/ Sometimes a bit tricky to use, but it does the job.