The process of raising Japanese Black Pines from seed to bonsai

To whom this may concern,
I was wondering if someone could explain in detail the steps one would take in order to raise Japanese Black Pine from seed? Like the different phases and techniques used to develop thicker trunks. Thank you for your time.

Here are two starting points:

https://bonsaitonight.com/2011/07/01/how-to-create-seedling-cuttings-japanese-black-pine/
https://bonsaitonight.com/2016/08/17/grow-japanese-black-pine-seed/

and an outline of the broader process:
http://www.bssf.org/articles-and-stories/care-of-japanese-black-pine-stages-of-development/

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Thanks, this really helped