Finished my Tutorial to model a parametric Torch in Houdini, great for beginner/Intermediate I think.
Watch out Procedural modelling can be addictive ! Haha
Also rendered in Arnold/Maya using Wizix awesome ShadeIt script for lookdev. Check out his work ! :) https://www.artstation.com/artwork/2xGgxa
You can find the hip file in my store (free) if you wanna give it a try.