1 Litre milk/juice carton caddy, printed out of PETG

The caddy makes it easy for those with smaller and weaker hands, like those suffering from arthritis, neuropathy and other health issues such as Parkinson’s disease, to handle 1-litre carton of milk or juice.

You can see the 2l version here:

2l Carton Caddy by Uncle Bumblefuk - MakerWorld