I've customized my R.I.D. Optimus Prime. I've started on Sept. 22, 2015 and finished on Sept. 7, 2016. Took me almost a year. First I completely disassembled him. Next I soaked the pieces in a mixture of 91% Isopropyl Alcohol and Lacquer Thinner. Next I washed,rinsed, and dried them. Next I spray primed them. Next I spray painted them. Next I spray glossed them. Finally I reassembled him. Finished Product