| 1234567891011121314151617181920212223242526272829 | back_bottom  = [0,0];back_top     = [0,8];front_top    = [2,8];front_mid    = [4,3];front_bottom = [4,0];frame_points = [back_bottom,    back_top, front_top,    front_mid, front_bottom];rotate([90,0,0]){  linear_extrude(height=10)    polygon(frame_points);  translate([3,5.5,6.5])    rotate([0,0,292])    resize([5,2,5])    sphere(d=10, $fn=50);  for(i=[7,5.5,4])    for(j=[.8,1.2,1.6,2,2.4,2.8,3.2])      if(rands(0,10,1)[0]>6)        translate([4.5-(i/2.5),i,j])          cube(size=[.8,.6,.2], center = false);      else        translate([4.7-(i/2.5),i,j])          cube(size=[.8,.6,.2], center = false);  }
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