First, the contour of camo plots must be irregular curve.
Second, the arrangement of intermediate color and contrasting color must be staggered.
Third, the arrangement of plots must be asymmetric.
Forth, for plots of same color, their shape and size must be different.
Fifth, camo plots must not be ended up at the edge of the surface, it must be extended to the otherside of the edge.
Here's some example of camo painting.
Southern-style woodland:
Northern-style woodland:
Northern-style grassland:
Desert:
Snow
