@gorrunyo   The Planar Boolean subtract mode works just like the Modify -> Clip Surface command, which doesn't delete the original items. The reason your 'delete' node isn't working when you attach it to the original rectangles is because those objects are no longer there. The Planar Boolean node itself is creating the new objects.   There are two simple ways you can do this differently to avoid this. 1) Instead of planar boolean, you can use the solid boolean no
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