This is an introduction in to the amazing world of procedural modeling
we'll start by covering 3 basic Technics that's useful in creation process and then we'll dive in to making the asset.
Its recommended to have some basic knowledge(navigation) in Houdini before following this tut.

Parenting : 1:05
parameter referencing : 2:24
bbox function : 5:36
making the asset : 9:04