Reply To: Christmas/winter display discussions Home › Forums › LUG discussions › Christmas/winter display discussions › Reply To: Christmas/winter display discussions September 25, 2013 at 10:09 pm #3428 Greg SchubertParticipant Tim wrote: so the effective interior is 66 studs across I wondered if it would be good to have some inverted slopes that slope upward on the inside of the building to hold up the floors.