Joined: July 2004
||Posted: 10 Mar. 2014,10:49
There are some examples using flagstones shown here and there's also a page dealing with obstructed origins which can be found here but very often, a site specific solution is required which may involve using elements of the techniques shown on those pages along with a little bit of magic which I haven't yet had time to write up.
For a 1200mm radius using blocks, the set-up is so small, relatively speaking, that I'd be tempted to mock it up out of position, cut all the pieces, then re-assemble in-situ.
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