The ice is a simple white block carved away with lots of detailed use of the lasso tool, along with three effects: drop shadow, inner glow and stroke. (all in Photoshop). Texture and color are added as masks, using soft light and color layer effects.

This project started because I wanted to see if I could replicate the look of the WIP map that Schwarzkreuz rocked out on. The specific map is here.

I got pretty close but then started playing around with it and realized how cool the interior glow looked when you made small shatters in the ice. Sometimes even near invisible erasures (like half pixel, if that's possible) created subtle shading patterns that looked really cool. Here are some images showing the layer effects.

Hope this is useful to someone. I love this site for inspiration and tutorials!

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