2*2 m steel structure 2.5*2.5 steel structure 3*2 m steel structure 3*3 m steel structure 3.5*3.5 m steel structure 4*4 m steel structure house type 2 * m 2 excluding deck house type 2.5*2.5 excluding deck house type pattern 3*2 m excluding deck house type pattern 3*3 excluding deck house type style 4*4 m excluding deck house type 2*2 m with floor house type 2.5*2.5 m with floor house type pattern 3*2 m with floor house type pattern 3*3 m with floor house type style 4*4 with floor 2.5*2.5 triangle without deck 3 * 3tri-angle model does not contain deck 4*4 triangle style without deck 2*2 triangle style without deck

all ok