I have the attached square (monolith.png) that has been successfully split. Now I would like to separate it adding the same spacing, but when I do, it gets messy (microservices.png).

I'd like to know if there is a way to split it in a nicer way. Say, for example, to keep the borders aligned, so it will still have a square shape but with spacing.

Thanks in advance.

The Transforms dialog has a feature to scale multiple objects but retain their respective object centers. If you need to maintain or increase the object dimensions, the composition can be scaled en masse by a percentage, then the individual objects can be scaled back in position a commensurate percentage.

I presume the objects need to be geometrically discrete, but adding a wider stroke could provide a similar visual effect.

On further consideration, I don't think scaling will get you the look you seek, particularly on the L-shaped objects. 

I suggest both trying both methods above to see the visual difference.

I don´t think you can´t go any better with "Remove overlaps". Align+distribute don´t work with undercut elements.

These are just 37 elements you draw row select (alt+LMBdraw) and move away with shift+arrow-keys:

I did what Tyler Durden said, and it worked pretty well.

The result is very similar to yours PixelPest.

Thanks you both guys.

Ah - that is a slick workflow - thanks Tyler.