A luz eu fiz assim: Diluí um pouco a tinta com água e fui retirando a tinta aguada com um pano limpo.
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Still not satisfied I decided to put a light on detail (I left one blank fillet on the picture to put the hot color).
The light I made this way: I diluted a little ink with water and I removed the watered ink with a clean cloth.
(Translation by Google)