Blender Print-a-Piece Lesson 1 goes over working scenes, adjustments and hotkey remapping and add-ons.

Part 3 delves into Fibonacci numbers and where they appear in nature.

Part 4 explains Fibonacci numbers in greater detail but also introduces Lucas numbers and phi. 

Part 6 explores concentric circles and tessellations in nature.

Part 7 investigates hexagons and why and where they appear in nature.

Part 8 looks at fractals and meanders in nature.