I'm glad you made a blog about this. It is a sign that aha-moments can "haunt" everyone:)
As you know me by now, I am always inclined to examine scientific findings in self-experiment and self-observation, where this is possible.
The exact seat of creativity and Aha! moments has yet to be determined.
I assume that this will not happen in this exact form, which is basically not tragic, because the last secret is always a guarded one and will probably remain so. It promotes fascination with the subject and allows people to satisfy their sense and curiosity. Just look what happens to the secrets that are revealed: they are taken all too for granted and are not appreciated enough. From the philosophical point of view, it would probably be a demoralization to know exactly what God is :)
In the PR and advertising industry these Aha moments are tried to be produced with much energy expenditure. The employees who are supposed to have an idea for a campaign are sent into the lunch break so that they can walk along the river or otherwise not think about their work and the deadline. That was the case when I was working in that industry.
The same phenomenon often happens to me with forgotten names. My man and I talk about someone and his wife, whose names I just can't think of. I know that I know it and then I let go of the convulsive search. Minutes or half an hour later the name just comes to me. So nice to trick your brain in that way!
In art, the new and the completely unfamiliar is often exactly what fascinates us art viewers. But how difficult the beginning is! Art never seen before is often scorned at first, stomped critically into the ground and even mocked. In the observer, the familiar quarrels with the unfamiliar, and depending on whether one is open to aha-moments, they come to one. Artists and researchers have probably always tried to use this for themselves. It has something Buddhist about it, I think.
:D You have much fun with working on your designs. I can see you smiling while doing that. To give oneself the full creative process is such a good thing, no?