The Design Process — bias cut
To cut on the fold or not to cut on the fold.?.. here is the easy way
bias cut fabric usage fold layout pattern placement

When I am working out how much fabric is needed for each style and size I always try to find the sweet spot which is fast and thrifty. Laying all pieces up on the fold is fast because you can cut 2 pieces at once. But is it thrifty? It depends on how you fold your cloth. Here are some techniques to take into consideration before you chop into your cloth. Does one cut on the fold or not cut on the fold? Is there another way? Absolutely! For example: A fold doesn´t have to be down the middle...