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Old 4th July 2017, 03:19 PM
rincewind23 rincewind23 is offline
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Join Date: May 2010
Posts: 20
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I am such a div, when I went back to look at the book they were quite obvious!

When you say a 90 degree return at each end, do you mean something like this?

https://ibb.co/i3BPLF (for some reason when I put the link in as 'add image', it doesn't display)
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