Adorned Fake Mate Cup With Place for Cardboard Cup Inside

This is my first ever upload to Thingiverse.
I'm a long-time Mate drinker and have my professional cup and straw (hard-to-pronounce names aside) but they cost me quite a lot (mostly the cups) and that made me very cautious about using any kind of new mix on them for the brutal fear of losing the cup forever due to lingering tastes and smell....

All that said and done, drinking Mate from a paper/cardboard cup is not well understood by the old and steady Mate community and may very well be off