Inspired by the perk pins on the loading screen of Fallout 4, the Best Game of 2015 (Porda Awards), these pins will let other wasteland wanderers know from a glance that you mean business. Although, if you have the sniper perk they may not get close enough to see your pin.
If you want to learn more, check out the Instructable.
I used a slightly custom variant of CMYK settings where I increased the first and model exposures settings and increased the delay before exposure.
This was done to reduce the curling of the base.