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Hi, I downloaded a self-drafting pattern (no pattern pieces! you have to draw your own!) and I’m very confused. Mostly about the numbers “1,5” printed on the top of the pattern piece diagram.

It’s shirt pattern 104AB – a halter top with a casing and drawstring for the collar.

At the top of the image where the casing/collar is, on top of it, it says “1,5”, then under that it looks like the letter “H” but I think it’s actually a short line with a beginning and end mark.

Here’s a link to a picture:


If you can see the image, I also need help on how to draw that diagonal line accurately – I could just wing it but I’d rather learn the proper way to do it and get it exactly right. Thanks in advance for any help!!!


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  • Me1_large

    Sep 5, 2019, 12.28 AMby mbuchanan1

    1,5 is 1.5cm. It’s metric, the decimal point is indicated by a comma. You are correct, the H is actually a short line with a start and stop. The whole thing, 1,5 and H, indicates the difference in length between the longer lines and the shorter line below to be 1.5 cm.

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