These were a few of my final renders for my 3d aquarium environment, they all turned out pretty well, originally the 3d environment was too dark to render, so i had to add in some lights too brighten the environment up, i had to play with the light sizes, because some scenes were too bright and too dark, finally i got the perfect lighting, also the cameras wouldn’t work so i just had to render by zooming in to different angles. These are some renders from above the aquarium, from the side of the aquarium and inside the tanks. To create the glassy effects i had to transform the paint effects to polygons, this made the render much better looking, but also made the renders very slow, it took me quite a while to get the renders the way they are. 
3d environment
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3d environment

3d environment project, aquarium

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