Some water bottle just need to drain before be reuse. That is a way that can preventing falling.
"top" and "bottom" can be printed without support. The sticks maybe printed without support, too. But it very depends, how your material glues on the printing area. I printed my sticks with a little bit support only at the very end of every stick ending. See picture. Worked fine.
The author marked this model as their own original creation. Imported from Thingiverse.