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Been testing different renders for the warehouse settings to develop various 'clean' looks. Model is from an old classroom set. This is also a test for different lighting solutions. Radiosity takes too long (almost 15 minutes a frame) and so other lighting solutions will have to be used. These are all rendered below 5 minutes per frame.
 
1. Light incidence angle (for high contrast)/ Outlines / Super Cel Shader. 
 

 

 
2. Outlines / Realistic shading. (Overall softer feel)
 

 
3. Outlines / Realistic shading / Super Cel Shaded foreground elements (characters, props etc.)