A gun model that i use for animations and illustrations
The Way i use this model is by detemining the angle of the model first then rasterizing the image for the first step. The second step is applying an artistic filter for that "anime"look. Last step is to find a gradient map of your choice( i decided to use the metals gradient map set but it's up to you)
STEP 1

STEP 2

STEP 3 (FINAL)

Material
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Default material
Allocate
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Default layout