We bought three blinds and they were all as good as each other - except the one where I got the measurements the wrong way round - and even then I got lots of sympathy and support.
One blind was very slighty too large for the space indicating that not quite enough allowance was made for the fitments. However, it only required a small strip bof the roller to be sawn off very carefully and the blind did not fray at all (which it could have done since it was sheer).
So no complaints and a definite recommendation to buy blinds here.
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