Optimus Prime paper model part 2C contains 15 pages of letter - A4 paper. To be continued to part 2D (the last sequence of part 2). There are some parts from Peterbilt truck that re-use for Prime parts.
Part 2B is ready to assembled with part 2A, so finally you can attach the Optimus Prime head on his torso. Part 2B contains 7 pages with 19 parts. To be continued to part 2C.
Another parts for OP's paper model. Part 2A is only 30% of his total torso parts. Because of too many parts in part 2 to unfold and texturize, they easily got me bored. A long term development for a single model apparently is not my nature. That feeling is very danger to the continuity of this project, so I must stop for a while modeling other models that I want in the present and when I got the mood I will continue again, I am sorry that's the only way to finish this project.