The box with strainer poles goes over two pipes and the glass side panel. The hooks are made to fit a 6mm glass panel. Dimensions can be found in the attached drawing.

The model was made in Onshape and can be accessed here:https://cad.onshape.com/documents/86077ff6ee2d6032c111bd1c/w/8e7cb5555587712cd57e06a3/e/8acbecd2d217225de38f2a18?renderMode=0&uiState=65c92eb4cdcb937789a1d54c