This resource pack can fix banner patterns on a shield and lowering its holding and blocking for you, and you can change its texture based on woods in its own settings
Select version for changelog:
Changelog
1.5.1 (28/10/2023):
~ Removed mod support from Java Edition from mcpack files, reducing the size
~ Tweaked the textures of Cherry, Bamboo, Crimson, Warped and Acacia Shields
* Fixed "Per Bend" patterns
* Fixed the shield being off centered in 3rd person (again)





Shield look weird, it looks like whole texture shifted down left and there is small part of down left corner on top right side...
There isn't way to upload pictures here, but my discord I'd is Hardik Chavada #8494.
Message me for pictures..
You can download it in Planet Minecraft or Modbay until this gets fixed
EDIT: Fixed the issue, you can download now :)