This mod allows you to turn any item, block, or mob into an OBJ or FBX, and animated. Example resource packs on how to do this are listed below
USE THE DOCUMENTATION AND EXAMPLE PACKS OR YOU WONT KNOW HOW TO USE THE MOD
(OBJ) https://www.curseforge.com/minecraft/texture-packs/obj-example-for-obj-fbx-loader
(FBX) https://www.curseforge.com/minecraft/texture-packs/fbx-example-for-obj-fbx-loader
Server plugin: https://www.curseforge.com/minecraft/bukkit-plugins/obj-fbx-loader-server
Controls:
O - open item and entity configuration menu.
Full documentation here: OBJ_FBX_Loader_Documentation - Google Docs
Model Credits:
Wigi: Sketchfab
Dinosaur: Sketchfab