Heidegger's Bible Handbook: 2 Peter: Synoptic Outline
The parts:
I. An Exhortation to constancy and progress in faith and the study of piety, chapter 1.

II. A Prophecy concerning false teachers, and mockers, chapters 2;3.
1. Prophecy concerning false teachers and impious men, chapter 2.
2. Concerning mockers of the coming of the Lord, chapter 3.