This Resource Pack makes texture for epic weapons. Intended for items from my Five Civilization World. But can be used as a template for Custom model data items.
/give @a netherite_sword[custom_model_data={strings:["rune_sword"]}] #animated
/give @a bow[custom_model_data={strings:["archeria_bow"]}] #animated
/give @a iron_axe[custom_model_data={strings:["spider_cleaver"]}] #animated