[REQUESTING] Model HelpFor MC Versions 1.15 - Latest [CosmicPvP Themed]

[EJustDoge]

Hey I'm wondering if it possible to have models on the player for the;
Helmet
Chestplate > Amulet & Backpack
Belt
Boots
Weapon > Sword/Axe
Please contact me if you have expertise in this (i have all the models and I'm seeking help)!
If you are wondering what i mean! Here it is which is rendered by a custom client on 1.8.9.

My Discord: officaldemonic