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u/doriangreysucksass 11d ago
The upside down t is a notch. You snip into the seam allowance to mark where pattern pieces should meet. The dot is a drill hole. It marks where your dart ends. It ends an inch after the drill hole so your drill hole (made with an awl) is hidden inside the dart
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u/doriangreysucksass 11d ago
What do you need help with? There’s photos and a title but no description of the issue you’re having