Sofa Cup Holder

Printed 1 in PLA and another in PETG both have held up for 2 months now and have had some knocks and no sign of stress cracks and is stable when a Stanley is full and cats knock it 3 Walls 30%+ Infill .16-.24 Layer line work fine Need supports takes around 5-6 Hours to print Internal length to slide on sofa arm is 86mm and the cup holder is 88mm Will need something like nail glue or super glue both have been tested and work fine