$fn=128; phi=0.5*sin($t*360)*40; for (i=[0,100]) translate ([i,0,0]) rotate ([90,phi,0]) { translate ([-1.5,0,-2.5]) cube ([3,60,5]); color ("red") translate ([0,60,0]) scale ([1,1.5,1]) sphere (4); }; color ("Sienna") translate ([20*sin(phi),0,20]) rotate ([0,90,0]) cylinder (100,1,1);