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x = 14;
y = 6;
rEcke = 5;
dInnen = 1;
dAuszen = 1.62;
Gang = 2/3;
Laenge = 6;
difference() {
union() {
for (p = [[-x,0,0],[0,y,0],[0,-y,0]])
translate(p + [65/2-7,0,5/2])
cylinder(h = 3, r = 3.5/2, $fn=100);
cube([65-2*rEcke,18,5], center = true);
cube([65,18-2*rEcke,5], center = true);
for (i = [-1:2:1])
for (j = [-1:2:1])
translate([i*(65/2-rEcke),j*(18/2-rEcke),0])
cylinder(h = 5, r = rEcke, $fn = 100, center = true);
};
translate([65/2-12,0,0])
cylinder(h = 10, r = 5, $fn=100, center = true);
for (p = [[-x,0,0],[0,y,0],[0,-y,0]])
translate(p + [65/2-7,0,5/2])
linear_extrude(Laenge, twist = Laenge/Gang*360, slices=Laenge/Gang*50, $fn=100)
translate([(dAuszen-dInnen)/4,0,0])
circle(r = (dAuszen+dInnen)/4, $fn=100);
}
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