/ tent
ID=summerlbtent,file=summerlbtent.nbt,centerY=1

/sand castles (unlucky, normal & good)
ID=sandcasunlucky,file=sandcasunlucky.nbt,centerY=1
ID=sandtempbad,file=sandtempbad.nbt,centerY=1
ID=sandtempgood,file=sandtempgood.nbt,centerY=1

/misc structures
ID=jump_board,file=jump_board.nbt,centerY=5
ID=sunbrella,file=sunbrella.nbt,centerY=1