I will, however, knit the same swatch with a 4.5mm needle and compare both.
Above you see the wrong side and below the right side of the swatch, pre-blocking.
Knitting the whole thing in one sitting, keeps the tension consistent and as you have a certain rhythm going, it will only help you make a perfect swatch. At least that is what I plan to do with the next ones.
The outline for my blocking report is written and I can now delve into that part.