HexCastingExtras/resourcepacks/z-fighting fix for Hex Casting/assets/hexcasting/models/item/artifact_5.json

{
  "parent": "minecraft:item/handheld_rod",
  "textures": {
    "layer0": "hexcasting:item/cad/5_artifact",
	"layer1": "hexcasting:item/cad/5_artifact_zfix"
  }
}