//----------------------------------------------------------- textures
#declare A_Tex = texture { pigment{color Silver}
                           finish {ambient 0.1 diffuse 0.8 phong 1}
                         }                   // airplane body texture

#declare A_Glass =  texture{NBbeerbottle}    // airplane window glass

//-------------------------------------------------------------------
union{           // ----- the body of the airplane with windows

  difference {   //  body caved out and with holes for the windows
    object { Body(R1, R2, R3, R4, R5) }
    object { Body(R1-Skin, R2-Skin, R3-Skin, R4-Skin,R5-Skin)}
    object { Windows_Cut_Cockpit }
    object { Windows_Cut_Passenger
             rotate<0,0,3>  translate< -1-0.00, 0.25*R1, 0>}
    texture{A_Tex}
  }// end of difference

  difference {   // Die Glas-Schicht
    object { Body(R1-G, R2-G, R3-G, R4-G, R5-G)}
    object { Body(R1-2*G, R2-2*G, R3-2*G, R4-2*G,  R5-2*G)}
    texture{A_Glass}
  }// end of difference

rotate<0,0,0>
translate<0,0,0>
}// end of union
//----------------------------------------------------------------end