Future request:reuse repeated circuits

repeated circuits in pcb editor longtime.
schematic can insert symbol group and edit in symbol group.
pcbnew can insert footprint group can edit in footprint group.
symbol group link footprint group.

replicate layout plugin? hierarchical block?
please try to explain better what you are asking(?) saying(?).

Take a look at Save/Restore Layout action plugin

The feature is known as a “design block”, and there are several related feature requests on gitlab for this already.

exsimple i make Astable Multivibrators 10 circuit.i need

SureStartAstableMultivibrator