Start with a blacksmith shop

Dropped out of school
Returned home and reopened the blacksmith shop.
From then on, this blacksmith shop was no longer ordinary.
The best knives in the world are made here.
The thrust-to-weight ratio of the handmade micro-turbojet is directly off the charts.
Micro drones flourished in his hands.

A new book has been released, "Synthesis of Everything Starting from Models"