Musings from the workshop
7th September 16
Always Measure Your Pattern Repeat

When receiving a fabric in the workshop WE ALWAYS CHECK the pattern repeat, by measuring it on the actual fabric. Quite often there can be a slight variation to the figure quoted by the supplier in the fabric details. This difference is usually not enough to require more fabric, but can change the calculated adjusted cut drops a bit.

Sometimes though the fabric supplier gets it plain wrong and here is a recent example.

With the fabric in the image, the supplier gave the vertical pattern repeat as distance A in the diagram. At first glance this looks right, but when you look closer you will see the pattern is not consistent. Look at the areas marked by the red circles and you will see the pattern repeat is actually distance B (three times that quoted by the supplier).

If we had cut and measured according to distance A, the joins would have looked really bad.

Extra Help & Comments

Annie
I understand about pattern repeats. I understand the measuring in your tutorial with using the adjusted cut drop calculation for the first piece of fabric to cut. But why then can’t you use the fabric cut drop measurement for the remaining panels (it is a straight pattern match)? Using the adjusted cut drop measurement every time for each panel just wastes more fabric? Please can you explain? Thanks.
Sew Helpful
Because each drop will start at a different position in the pattern. So the tops will not line up when you join them, they will staggger (you can get away with that if you are just joining 2 drops of fabric and don't care where the patttern starts at the top) but if you are joining more than 2, or making a pair of curtains and want both curtains to have the pattern in the same position you will need to use adjusted cut drops.

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