Making a model in V-RAY Look like a realistic maquette

Extending SketchUp V-Ray for SketchUp
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model
model979×684 72.7 KB

Was wondering if anybody had any ideas on how to make this look more realistic. I’ve been playing around with the lighting and materials and this is the best I’ve managed to come up with and I’m still not overly happy with it

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YouTube search
https://www.youtube.com/results?search_query=v-ray+realistic+maquette