This is my proposal for a new gift box texture that would prevent bowling balls from being mistaken for gift boxes.
To try it out, copy gift-box.png and gift-loop.png to stk-assets/models overwriting the original textures (save them somewhere if you want to revert later!).
https://www.dropbox.com/sh/nu4dgnzgefzerzi/AAAQhK11bITliSJ3WfDyufGQa?dl=0
What do you think?