arrow model for bows/projectile editor

you know what would be nice? If every workspace came preloaded with the default arrow model so when creating a bow i don't have to go to the depths of the internet searching for the one arrow model so the bow won't shoot invisible ghost bullets cuz i haven't specified any model. OR better yet create a custom and easy to use model creator that could solve both the projectile issue as well as the mob texture issue i have