Sine Vase

thingiverse

In three lines: sides=5; for(i=[0:.1:36]){ translate([0,0,i*8]){ rotate(i*$t*10) disc(i); rotate(i*$t*-10) disc(i); }} module disc(i){cylinder(d=(sin(i*10)*50+80),h=1,$fn=sides,center=true); }