Part 2: https://cgcookie.com/u/shiennar/projects/freshwater-aquarium-part-2
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In the third week I added two species of fish: red platy and neon tetra. The textures are hand-painted (I also created black-and-white textures to specify where transparency should occur). Both fish have been retopologized and have normal maps applied. Other textures in the scene are from Poliigon.com and the HDRI is from HDR Labs.
Next week I aim to finish the project with one more fish species and overall polish. (Water of some sort would also help the aquarium to look like an... aquarium.)
Blog post: https://honestmisskate.blogspot.com/2017/10/freshwater-aquarium-part-3.html