input mp-solid;

figureespace(-10u,-20u,10u,10u);
Initialisation(1000,15,70,50);
outcolor:=0.5[green,white];
draw Tube("(2*cosd(t)+cosd(3*t),2*sind(t)-sind(3*t),2*sqrt(2)*sind(2*t))","(-2*sind(t)-3*sind(3*t),2*cosd(t)-3*cosd(3*t),4*sqrt(2)*cosd(2*t))","(-2*cosd(t)-9*cosd(3*t),-2*sind(t)+9*sind(3*t),-8*sqrt(2)*sind(2*t))",0.1,90,180,1.5);
finespace;

figureespace(-10u,-20u,10u,10u);
Initialisation(1000,15,20,50);
outcolor:=0.5[jaune,white];
draw Tube("(cos(t),1.5*sin(t),0.2*t)","(-sin(t),1.5*cos(t),0.2)","(-cos(t),-1.5*sin(t),0)",0.1,0,180,0.1);
finespace;
end