So here we go: enter layer blending options of our letter “A” layer Instead of telling you how to set blending options I will just let show you. But remember that layer FILL OPACITY – must be set to 0%.

Aqua pure illustration 

Aqua pure illustration

Aqua pure illustration
 


Aqua pure illustration

Aqua pure illustration

Here is our result – I'm quite satisfied with it.

Aqua pure illustration