Originally Posted by
b.zang
Work out your borders using the formula that each border is 1.5 times larger than the previous for the most aesthetically satisfying results. So, for instance, if the first border is 3", the next is 4.5", then 6" and so on. Add enough and you'll be close to your desired finished size.
Thinking you meant 6.75 there. I hadn’t heard of that - sounds interesting. I dither a lot with borders, myself, so it could be very useful.
hugs, charlotte