So, I've machined all those 35 blocks and now the difficult part begins ... the squaring and the assembling ... in the right order ... which brings us to this:
I decided against this ... mainly because of the very blood red squares top of the centre, so I moved them to the corner:
So there are 32 blocks placed and one lesson learned: a pattern revolving around quarters is no good for 35 blocks (35 aka 5 times 7). Sigh.
Which takes us to the next level: how to square off ... do I? Do I need to? And if I need to, how? I've never done before. I'm a bit baffled and apprehensive. Sigh.