declare high=5;
#declare broad=8;                    
#declare depth=25;
                      
//basics of a room
#declare base= union{

difference{                    
//outer box
box {<0,0,0><broad,high,depth>}    
//minus veranda
box {<.1,.1,-.1><broad-0.1,high-0.1,2.5>} 
}

#declare i=0; 
 #while (i<13) 
  object {box {<0,0,0> <broad,.4,.1>} rotate x*15 translate <0,i*0.4,2.4> pigment {White } }
 #declare i=i+1;
 #end  
 
 
#declare i=0; 
 #while (i<13) 
  object {box {<-0.1,0,2.5> <-0.1,.4,depth>} rotate -z*15 translate <0,i*0.4,0> pigment {White } }
  object {box {<-0.1,0,2.5> <-0.1,.4,depth>} rotate z*15 translate <broad+.2,i*0.4,0> pigment {White } }
 #declare i=i+1;
 #end  
}        
//room basis - some elements are diffd from the box
#declare room_basis = 
difference {
object{base}
//door
box {<5,0,2.4><7,3.8,2.6> pigment {Gray50}} 
//window
box {<1,2,-.1><4,3.8,15> pigment {Gray50}}  
//inside
box {<.1,1,2.7><6.9,4.5,10> pigment {Gray50}}
//floor                                      
box {<-.1,0,0.1><8.1,4.8,2.4> pigment {Gray50}}

}                      

//room unit - some elements are added     
#declare room_unit =
union {
object {room_basis}
//neon lamp
object {neon_bulb scale <.3,.35,.3> rotate z*90 translate <3.75,4.5,0>}
object {neon_bulb scale <.3,.35,.3> rotate z*90 translate <7.5,4.5,0>}    
light_source { <3.5,4.8,.2> color rgb <.5,0,1.> fade_distance 3 fade_power 2 }   
//lamp above door                                                                     
object {sphere {<6, 4.2,2.5>,.15 pigment {color rgb <1,1,.5>} finish {Luminous}} }
//lens
difference{
object {cylinder {<6, 3.3,2.6><6, 3.3,2.59>,0.05 texture {Chrome_Texture} } }
object {cylinder {<6, 3.3,2.6><6, 3.3,2.58>,0.03 texture {Chrome_Texture} } }}
//door knob
object {sphere {<5.2, 1.9,2.4>,.1 pigment {color rgb <1,1,.5>} texture {Chrome_Texture}} } 

//window pane 
box {<2.45,2,2.50><2.55,3.8,2.7> pigment {White}}  
box {<1,2,2.7><4,3.8,2.71>  pigment {gradient y
    color_map{[0.3 color rgbt <.5,.5,.5,1>][0.3 color rgbt <1,1,1,0>]} scale 0.2
    } }  
    

difference{
box {<1,2,2.5><4,3.8,2.6> pigment {White}}  
box {<1.1,1.9,2.4><3.9,3.7,2.7> pigment{White}}}  
}