Comparing the Patterns- Spots
The main differences between the Spot patterns seem to be the angularity of the spots. This increases, with A being the roundest and D the most angular. Spot size increases as pattern size increases.
Pattern A
Very Thin density, Tiny pattern
Medium density, Medium pattern
Very Thick density, Huge pattern
Pattern B
Very Thin density, Tiny pattern
Medium density, Medium pattern
Very Thick density, Huge pattern
Pattern C
Very Thin density, Tiny pattern
Medium density, Medium pattern
Very Thick density, Huge pattern
Pattern D
Very Thin density, Tiny pattern
Medium density, Medium pattern
Very Thick density, Huge pattern