ImplicitCAD/Examples/example5.escad

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// example5.escad -- the variably twisted extruded product of the union of 5 circles.
linear_extrude (height = 40, center=true, twist(h) = 35*cos(h*2*pi/60)) {
union ( r = 8) {
circle (10);
translate ([22,0]) circle (10);
translate ([0,22]) circle (10);
translate ([-22,0]) circle (10);
translate ([0,-22]) circle (10);
}
}