Seam Allowance curve

Hello! I have some issues with the seam allowance tool. As you can see I do not want to add any cm seam allowance before B45 but I want to add 1 cm after B45 but it does not let me do it properly. My curve is in the clockwise direction. I do not understand why there is this “extra curve”. could you please help me ? thank you very much!!

Capture d’écran 2020-06-05 à 23.09.11

Capture d’écran 2020-06-05 à 23.10.00

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Hi and welcome, @Sosvl

You will see that you have 2 nodes almost directly on top of each other near B63. I can’t see their labels but 1 is B45.

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Is the other one FINFINFIN? If it is, then exclude it and see if that doesn’t fix the problem.

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If that 2nd node is B64, then exclude that node.

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I had that with one of my patterns a few years back and it turned out that I had used 2 nodes very close together in my pattern detail.

If this doesn’t fix it, then you can some of these settings to see if they won’t work better:

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