I’m sharing a bottle handle model that I designed over four years ago and have been using ever since.

Files to Print:

• Handle: 1 pc.
• Hoop: 2 pcs. (Choose hoop_38.5mm for a 5L bottle or hoop_46mm for a 6L bottle.)
• Nut: 2 pcs.

Recommendations:

1. Measure the bottle neck diameter first, then choose the appropriate hoop size. 
2. Use a brim when printing the hoops for better adhesion.
3. Print 2 hoops and test the fit. If they fit well, proceed to print the other parts.
4. Enable supports when printing the handle.
5. If the nut is too loose, scale it down to approximately 98% or secure it using a small nail.