cube([2,3,4]);


translate([3,0,0]) {
  cube([2,3,4]);
}


color([1,0,0]) cube([2,3,4]);
translate([3,0,0])
color([0,1,0]) cube([2,3,4]);
translate([6,0,0])
color([0,0,1]) cube([2,3,4]);