You'll want to use a double overedge stitch along the raw edge.

你会想要沿着毛边使用双包边缝。

youdao

Remove the pins, then stitch all around the perimeter, 1.5cm from the edge, as marked in figure A.

将大头针去掉，沿周长在离边缘1.5cm处缝一周，如图A。

youdao

I did the seam, then a stitch and overcast along the edge and another overcast only stitch over it again.

我做了缝，然后沿边缘缝阴和阴，另一只在它再次缝合。

youdao