That is the aluminum structure holding the storage boxes and being the skeleton of the furniture.
It will be covered once finished with doors.
But that will be after summer as I have to head back home...
Similar approach as the Erector set.
2009 E350 window RB 6.0 PSD Quadvan 4x4 with EB pop top
2003 E350 ambulance 7.3 PSD Quigley
2007 Jeep JK for local offroad