Anti-Spill Cup Holder

It's a cup holder to prevent spilling, print every objects in original direction provides best strength.

If two frames are combined too weakly, try to set their thickness from 1.5 mm to 2 mm.

*** Important ***
Attaching a line or ring to the hole on top of frame_1 is necessary, hang up this cup holder with that line, don't touch it's body directly when using.