The 12-30 project is a one year long, one image a day visual marathon inspired by mathematics and geometry. The image sequences are organized around 12 mathematical visualization programs, 1 program a month, 1 image a day in each program - 01/01 - 12/31, 2015. Rev. 2 of the original 2015 publication includes additional text information, an update of all the resources and links as of 11, 2016. It also features 10 additional original plates. 365 (+10) illustrations, figures descriptive, formulas, references.