[eta: this pattern has angles that would be the same as an octagon. At the binding instruction it just says the corners worked fine even though they are not 90 degrees.
http://www.modabakeshop.com/2010/06/...r-my-tree.html[/quote]
That is the one I did. Binding isn't the issue at the moment, I want to add co-ordinating border fabric to the tree shirt and am not sure how to mitre the corners.