function korpi(collor, laa,lbb,waa,wbb, he, x,y,z) {
  
  const a = 0, b = he, la=laa/2, lb=lbb/2, wa=waa/2, wb=wbb/2
  
const verticesOfCube = [
    -la,-wa,a,    la,-wa,a,    la, wa,a,    -la, wa,a,
    -lb,-wb,b,    lb,-wb,b,    lb, wb,b,    -lb, wb,b,
];

const indicesOfFaces = [
    2,1,0,    0,3,2,
    0,4,7,    7,3,0,
    0,1,5,    5,4,0,
    1,2,6,    6,5,1,
    2,3,7,    7,6,2,
    4,5,6,    6,7,4
];

  const geometry = new THREE.PolyhedronGeometry( verticesOfCube, indicesOfFaces, 2, 0 );
  const material = new THREE.MeshPhongMaterial({ color: collor });

  const mesh = new THREE.Mesh(geometry, material);
  //scene.add(mesh);

mesh.position.x = x;
mesh.position.y = y;
mesh.position.z = z;

return mesh;
}
  
cubeA=korpi(0xA38951, 17,17,5,5,4,0,0,0);
cubeB=korpi(0xA38951, 5,5,17,17,4,0,0,0);

cubeC=korpi(0x888888, 17,17,5,0,2,0,0,0.8);
cubeD=korpi(0x888888, 5,0,17,17,2,0,0,0.8);

  function sylinteri(color,x,y,z,r,R,h,n) { 

  const geometry = new THREE.CylinderGeometry( r, R, h, n ); 
const material = new THREE.MeshPhongMaterial( {color: 0xA38951} ); 
const cylinder = new THREE.Mesh( geometry, material );

cylinder.rotation.x=1.57;
    cylinder.position.x = x;
    cylinder.position.y = z;
    cylinder.position.z = y+0.5*h;


return cylinder;

}
 cyl1=sylinteri(0xA38951,0,0,0,1,1,2,8);
 cyl2=sylinteri(0xA38951,0,2,0,0.5,1,0.5,8);
 cyl3=sylinteri(0xA38951,0,2.5,0,0.5,0.5,0.5,8);
 cyl4=sylinteri(0xA38951,0,3,0,0,0.7,0.5,8);


const kirkko = new THREE.Group();
kirkko.add( cubeA );
kirkko.add( cubeB );
kirkko.add( cubeC );
kirkko.add( cubeD );
kirkko.add( cyl1 );
kirkko.add( cyl2 );
kirkko.add( cyl3 );
kirkko.add( cyl4 );


scene.add( kirkko );

group=kirkko;