Build a structure (material region setting)

● OLED schematic structure and band diagram



● Set up the width of structure

建立縮圖錯誤：convert: unable to extend cache `/var/lib/mediawiki/images/d/d0/OLED_1.png': File too large @ error/cache.c/OpenPixelCache/4006.

Error code: 1

● Set up the thickness of structure