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freesewing/markdown/dev/tutorials/pattern-design/adding-measurements/en.md
2022-01-13 19:05:07 +01:00

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Adding measurements 130

FreeSewing is all about made-to-measure sewing patterns; we are going to draft our pattern according to the measurements provided to us.

Which begs the question, which measurements?

It is you, as the pattern designer, who decides which measurements are required to draft your pattern. For our bib, the only measurement we need is the baby's head circumference.

So let's add it as a required measurement.

Add required measurements

Open the config file at config/index.js and update the measurements array with the name of our required measurement:

measurements: ["head"],

Make sure to re-use the names of existing measurements, rather than invent your own.

See our best practices on this topic for details.

Now everybody knows your pattern requires the head measurement.

This change will also get picked up by the development environment, and you'll now see this screen:

This screen tells you you are missing some required measurements

Since it's just one measurement, let's simply enter a value by hand. For example 38 as 38cm is a realistic head circumference measurement for a baby.

Enter 38 in the box, and click on Draft your pattern in the top navigation bar to get back to your draft, which for now still looks like this:

Nothing has changed, yet