Hi Joseph,
Again a really fun project to do.
Attached you will find all the steps I made, as well as an animated GIF, and 2 crop/close ups of the pins. I have one just as circles and one with the bevel & emboss to create some sort or 3D on the Pins. (only visible at the croped images or zoom in)
GIF

Images 00 - Original

Images 01 - Converted to blocks

Images 02 - Blocks 5 Colours

Images 03 - Round shapes

Images 04 - 3D pins

Images - Close Up

