Assets Cleaning Sponge

"CC0 - Sponge 3" (https://skfb.ly/o6ZtB) by plaggy is licensed under Creative Commons Attribution (http://creativecommons.org/licenses/by/4.0/).
The other sponge is our own creation using a modified version of the textures from the sketchfab sponge. Will be used in one of our upcoming scenes.