"Add" node grouping problem

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Hey guys, I'm new to the forum. Here's my dilemma:

I have a bunch of points grouped separately (between 2-15 points each). I would like to perform an “Add” operation on each group to convert them to primitives. The add-node has a “By Group” option, but when I select “Each Group Separately”, it doesn't seem to do anything.

Maybe the add-node isn't fit for this. Basically, I'd like to take all the primitive groups and convert them to individual primitives.
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They have to be point groups. You can convert them using the Group SOP.
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Okay, thanks. That works.
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