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| (Compiled with Asymptote version 2.14svn-r5318) |
import tube;
import graph3;
size(10cm,0);
currentprojection=perspective(4,3,4);
triple f(real t){
return t*Z+(cos(2pi*t),sin(2pi*t),0)/sqrt(1+0.5*t^2);
}
path3 p=graph(f,0,2.7,operator ..);
draw(tube(p,scale(0.2)*polygon(5)), purple);
