Lifehack: Summer Blouse with Belt from Man's Shirt

"Crazy Hands" category.
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Making a summer blouse with a belt from man`s shirt.
You can also wear it at home or sleep in it.
Now, by the way, shirt pyjamas are fashionable, so follow this trend and sew a comfortable blouse.
Everything, as always, is very simple.
You will need:
1. man's shirt;
2. scissors;
3. threads;
4. needle / pins.
Neckline and armhole are processed with felled seam.
Make a small bend: 0.5-0.7 cm, so it will be easier to process rounded places.
If you get a deep arm holes, narrow the blouse along side seams.
Answer your questions in the comments, I will be happy to answer!