This is my design for holding 4 500-milliliter water bottles. I was tired of them rolling from the passenger seat to the floor while I was driving, so I used PrusaSlicer to reduce the printing time, but you can set any infill density high enough to meet your requirements.

Print settings

Printer brand:

Prusa

Printer:

Prusa Mk2

Raft layer:

None

Support:

None

Resolution:

0.3

Infill:

14

Category: 3D printing