Balcony Basket

EDIT; New Version coming in Spring. I want a design with hexagons instead of triangles inside, giving the Racks more stability and a more 3D printed look to it. I want to reduce print time by reducing the volume of the connection area. Maybe i try a version without screws and using some support instead. But only if its not taking longer then current version. (2 Screws don't really hurt do they?)
Also i want to design a round version and different sights and diameters by using parameters.
If you have any ideas, let me know!
EDIT END;

I wanted to hang my plants with the pot onto my balcony railings so i can relocate them individually.
So i designed printed these pot holders. It was important for me, to get as much air to the plants pot as possible and make the mount really easy.
Your railing needs to be round with an diameter of about 40mm. The fence underneath it should be almost even with the railing, so the basket gets something to hit on. If it's not, the basket will sag