Multi-Function Wardrobe & Laundry Hamper connectors

We have one of these Multi-Function Wardrobe & Laundry Hampers that we use for placing dirty laundry and for hanging freshly washed clothes.
( https://infinityhomeware.co.za/product/multi-function-wardrobe-laundry-hamper/ )

The factory connectors on the tubes are unfortunately not very durable. Over time, some of them started to split under the pressure of normal use.

I designed a replacement set of connectors. However, due to the unavoidable layer orientation when 3D printing, there is a real risk that the tube pressure can cause layer splitting at the pipe openings. To strengthen these weak points, I created additional press-fit reinforcement rings (to be applied with a rubber mallet) that add structural integrity, particularly where the pipe insertion direction is in line to the print layers (perpendicular to the opening) .

The inner openings are designed with a 0.5 degree draft angle to allow easier pipe insertion, though depending on printer accuracy, they may feel slightly l