Laundry Rack/Tower / Wäscheturm Replacement Part

Replacement print for the commonly available laundry tower like this one  
currently i have only designed the middle bracket but will do the top one at some point.

Tube diameters of my model: 12,8mm and 18,9 mm

This design needs supports.

Printsettings I used:

Material: PETG
Layerheight: 0,22mm
Perimeters: 4
Infill: 25% (gyroid)
Orientation: as shown on pictures or flipped with level surface facing downwards
Brims recommended