1. Create a new doc with transparent background
2. Add a new layer
2. Fill the new layer with black color
3. Select a large portion on the middle of your layer
4. Click Select -> Modify -> Feather, enter 15
5. Press delete
1. Create a new doc with transparent background
2. Add a new layer
2. Fill the new layer with black color
3. Select a large portion on the middle of your layer
4. Click Select -> Modify -> Feather, enter 15
5. Press delete