使い方
参考:
Python からマテリアルのノードへアクセス | ぬの部屋 (仮)
Set active image node with Python – Blender Stack Exchange
Creation of Node Setup with python, missing some commands – Blender Stack Exchange
How do I find my material output node (and assign displacement) – Blender Stack Exchange
How can I get the dimensions of a newly-created material node via Python? – Blender Stack Exchange