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Hello! friends steemits, this drawing is made in Paint 3D, use the brush for oil, and some predesigned images in 3D remix, where I could combine sizes, rotate them, change positions, in order to show the underwater world.
Thanks a 
And I invite you to participate in the following link: https://steemit.com/contest/@agneslaczo/art-contest-10-underwater-win-sbd-5-winners